{"id":2838,"date":"2025-12-09T23:04:55","date_gmt":"2025-12-10T04:04:55","guid":{"rendered":"https:\/\/slumberzon.com\/?p=2838"},"modified":"2025-12-10T21:59:21","modified_gmt":"2025-12-11T02:59:21","slug":"%e5%b9%b4%e9%bd%a2%e5%88%a5%e3%81%ae%e6%b7%b1%e3%81%84%e7%9c%a0%e3%82%8a%e3%81%ae%e5%bf%85%e8%a6%81%e9%87%8f","status":"publish","type":"post","link":"https:\/\/slumberzon.com\/ja\/2025\/%e5%b9%b4%e9%bd%a2%e5%88%a5%e3%81%ae%e6%b7%b1%e3%81%84%e7%9c%a0%e3%82%8a%e3%81%ae%e5%bf%85%e8%a6%81%e9%87%8f\/","title":{"rendered":"\u672c\u5f53\u306b\u5fc5\u8981\u306a\u7761\u7720\u6642\u9593\u306f\uff1f\u5e74\u9f62\u5225\u30ac\u30a4\u30c9"},"content":{"rendered":"\n<p>Sleep isn\u2019t one long, uniform state. Instead, it\u2019s a carefully orchestrated cycle made up of four distinct stages, each supporting your body and brain in different ways.<\/p>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-4533717\" data-block-id=\"4533717\"><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2839\" src=\"https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/12\/slumberzon-insomnia-7a-scaled.webp\" width=\"2560\" height=\"1440\" alt=\"On a typical night, you move through four to six sleep cycles, and each one lasts roughly 90 minutes. When you understand what happens in these stages \u2014 especially deep sleep \u2014 it becomes clear why we spend nearly one-third of our lives asleep.\" srcset=\"https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/12\/slumberzon-insomnia-7a-scaled.webp 2560w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/12\/slumberzon-insomnia-7a-300x169.webp 300w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/12\/slumberzon-insomnia-7a-1024x576.webp 1024w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/12\/slumberzon-insomnia-7a-768x432.webp 768w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/12\/slumberzon-insomnia-7a-1536x864.webp 1536w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/12\/slumberzon-insomnia-7a-2048x1152.webp 2048w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/12\/slumberzon-insomnia-7a-18x10.webp 18w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/span><\/figure><\/div>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Table of Contents<\/h2><nav><ul><li><a href=\"#deep-sleep-needs-by-age-quick-overview\">Deep Sleep Needs by Age (Quick Overview)<\/a><\/li><li><a href=\"#why-deep-sleep-declines-with-age\">Why Deep Sleep Declines with Age?<\/a><\/li><li><a href=\"#signs-you-may-not-be-getting-enough-deep-sleep\">Signs You May Not Be Getting Enough Deep Sleep<\/a><\/li><li><a href=\"#how-to-support-deep-sleep-at-every-age\">How to Support Deep Sleep at Every Age<\/a><ul><li><a href=\"#for-kids-teens\">For Kids &amp; Teens<\/a><\/li><li><a href=\"#for-adults\">For Adults<\/a><\/li><li><a href=\"#for-middle-aged-older-adults\">For Middle-Aged &amp; Older Adults<\/a><\/li><\/ul><\/li><li><a href=\"#is-more-deep-sleep-always-better\">Is More Deep Sleep Always Better?<\/a><\/li><li><a href=\"#in-one-sentence\">In One Sentence\u2026<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-493a28a\" id=\"br-understanding-the-4-stages-of-sleep\" data-block-id=\"493a28a\"><h2 class=\"stk-block-heading__text\"><br>Understanding the 4 Stages of Sleep:<\/h2><\/div>\n\n\n\n<p>On a typical night, you move through four to six sleep cycles, and each one lasts roughly 90 minutes. When you understand what happens in these stages \u2014 especially deep sleep \u2014 it becomes clear why we spend nearly one-third of our lives asleep.<\/p>\n\n\n\n<p><strong>Stage 1 (NREM N1): Drifting Off<\/strong><br>Duration: 1\u20137 minutes<br>This is the moment your body transitions from wakefulness into sleep. It\u2019s incredibly light \u2014 a noise or slight movement can wake you easily. Think of it as the doorway into the rest of your sleep cycle.<\/p>\n\n\n\n<p><strong>Stage 2 (NREM N2): Light, Stabilizing Sleep<\/strong><br>Duration: 10\u201325 minutes<br>Your heart rate slows, body temperature drops, and brain waves begin to minimize. This is still considered light sleep, but it prepares your body for the deeper, more restorative stages that follow.<\/p>\n\n\n\n<p><strong>Stage 3 (NREM N3): Deep Sleep \/ Slow-Wave Sleep<\/strong><br>Duration: 20\u201340 minutes<br>This is the stage your body needs the most. Deep sleep is when the magic happens:<br>Tissue repair and muscle recovery<br>Immune system strengthening<br>Growth hormone release<br>Memory consolidation<br>Emotional and cognitive reset<br>Waking someone from deep sleep is difficult \u2014 and if you do wake up, you often feel groggy or disoriented.<\/p>\n\n\n\n<p><strong>Stage 4 (REM Sleep): Dreaming &amp; Brain Reset<\/strong><br>Duration: 10\u201360 minutes<br>Your eyes move rapidly, your brain becomes more active, and this is where vivid dreaming occurs. REM sleep supports creativity, emotional processing, learning, and brain health. Even though your body is relaxed, your mind is highly active \u2014 similar to being awake.<\/p>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-6620e48\" data-block-id=\"6620e48\"><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2840\" src=\"https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/12\/deep-sleep.webp\" width=\"1536\" height=\"1075\" alt=\"Deep sleep isn\u2019t about getting as much as possible \u2014 it\u2019s about getting the right amount. As we get older, deep sleep naturally decreases. This is a normal biological change, not a sign of poor sleep or a health problem.\" srcset=\"https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/12\/deep-sleep.webp 1536w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/12\/deep-sleep-300x210.webp 300w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/12\/deep-sleep-1024x717.webp 1024w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/12\/deep-sleep-768x538.webp 768w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/12\/deep-sleep-18x12.webp 18w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/span><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-f53c779\" id=\"deep-sleep-strong-isnt-about-getting-as-much-as-possible-strong-its-about-getting-the-em-right-em-amount\" data-block-id=\"f53c779\"><h2 class=\"stk-block-heading__text\">Deep sleep <strong>isn\u2019t about getting as much as possible<\/strong> \u2014 it\u2019s about getting the <em>right<\/em> amount.<\/h2><\/div>\n\n\n\n<p>Stage N3 (deep sleep) is the phase where your body goes into full repair mode:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Boosts growth hormone<\/li>\n\n\n\n<li>Strengthens the immune system<\/li>\n\n\n\n<li>Stabilizes mood<\/li>\n\n\n\n<li>Supports memory and learning<\/li>\n<\/ul>\n\n\n\n<p>As we get older, deep sleep naturally decreases. This is a <strong>normal biological change<\/strong>, not a sign of poor sleep or a health problem.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"deep-sleep-needs-by-age-quick-overview\"><strong>Deep Sleep Needs by Age (Quick Overview)<\/strong><\/h2>\n\n\n\n<p>These ranges come from major international sleep organizations. Personal differences are normal.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Important:<\/strong> A decrease in deep sleep with age is completely normal.<br>If you feel alert and functional during the day, you\u2019re <em>not<\/em> experiencing insomnia \u2014 even if your deep sleep percentage looks low.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Age Group<\/th><th class=\"has-text-align-center\" data-align=\"center\">Recommended Sleep (hrs\/day)<\/th><th class=\"has-text-align-center\" data-align=\"center\">Deep Sleep %<\/th><th class=\"has-text-align-center\" data-align=\"center\">What\u2019s Typical<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>0\u20131 year<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">14\u201317<\/td><td class=\"has-text-align-center\" data-align=\"center\">40\u201350%<\/td><td class=\"has-text-align-center\" data-align=\"center\">Fast brain development, high growth hormone<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>2\u20135 years<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">11\u201314<\/td><td class=\"has-text-align-center\" data-align=\"center\">30\u201340%<\/td><td class=\"has-text-align-center\" data-align=\"center\">Critical stage for learning &amp; emotional regulation<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>6\u201312 years<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">10\u201311<\/td><td class=\"has-text-align-center\" data-align=\"center\">20\u201330%<\/td><td class=\"has-text-align-center\" data-align=\"center\">High cognitive load; deep sleep helps restore memory &amp; focus<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>13\u201317 years<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">8\u201310<\/td><td class=\"has-text-align-center\" data-align=\"center\">18\u201325%<\/td><td class=\"has-text-align-center\" data-align=\"center\">Irregular schedules, staying up late can reduce deep sleep<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>18\u201340 years<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">7\u20138<\/td><td class=\"has-text-align-center\" data-align=\"center\">15\u201320%<\/td><td class=\"has-text-align-center\" data-align=\"center\">Stable but affected by stress, caffeine, long work hours<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>40\u201360 years<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">7<\/td><td class=\"has-text-align-center\" data-align=\"center\">10\u201318%<\/td><td class=\"has-text-align-center\" data-align=\"center\">More awakenings; possible snoring or mild breathing issues<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>60+ years<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">7<\/td><td class=\"has-text-align-center\" data-align=\"center\">5\u201310% (sometimes even less)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Light sleep increases \u2014 totally normal and not dangerous<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"why-deep-sleep-declines-with-age\"><strong>Why Deep Sleep Declines with Age<\/strong>?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reduced slow-wave activity in the cerebral cortex<\/li>\n\n\n\n<li>Less neural plasticity<\/li>\n\n\n\n<li>Lower melatonin production<\/li>\n\n\n\n<li>More frequent nighttime awakenings<\/li>\n\n\n\n<li>Higher chance of mild sleep-breathing issues (snoring, apnea)<\/li>\n<\/ul>\n\n\n\n<p>This decline is expected \u2014 not a sign that your sleep is \u201cbroken.\u201d<\/p>\n\n\n\n<p>More information: <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6267703\/\" data-type=\"link\" data-id=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6267703\/\" target=\"_blank\" rel=\"noopener\">PMC NLM<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"signs-you-may-not-be-getting-enough-deep-sleep\"><strong>Signs You May Not Be Getting Enough Deep Sleep<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Waking up feeling unrefreshed<\/li>\n\n\n\n<li>Irritability or emotional ups and downs<\/li>\n\n\n\n<li>Trouble concentrating<\/li>\n\n\n\n<li>Increased sensitivity to noise<\/li>\n\n\n\n<li>Difficulty falling back asleep after waking<\/li>\n\n\n\n<li>Memory lapses or \u201cbrain fog\u201d<\/li>\n<\/ul>\n\n\n\n<p>But remember: <strong>short deep sleep doesn\u2019t automatically mean poor sleep.<\/strong><br>What matters most is your <strong>overall sleep quality and daytime energy<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-support-deep-sleep-at-every-age\"><strong>How to Support Deep Sleep at Every Age<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"for-kids-teens\"><strong>For Kids &amp; Teens<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Keep a consistent sleep schedule (most important)<\/li>\n\n\n\n<li>Limit screens before bed or try some <a href=\"https:\/\/slumberzon.com\/selected-sleep-gadgets-products-for-better-rest\/\" data-type=\"page\" data-id=\"867\">little gadgets to let them relax<\/a> gradually<\/li>\n\n\n\n<li>Encourage more outdoor time<\/li>\n\n\n\n<li>Avoid heavy studying right before sleep<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"for-adults\"><strong>For Adults<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Avoid caffeine and alcohol before bed<\/li>\n\n\n\n<li>Stick to regular sleep and wake times<\/li>\n\n\n\n<li>Reduce mentally stimulating activities at night<\/li>\n\n\n\n<li>Exercise regularly (but not right before bed)<\/li>\n\n\n\n<li>If stress is high, try relaxation exercises or <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/31662718\/#:~:text=The%20most%20effective%20nonpharmacological%20treatment,behavioral%20therapy%20for%20insmonia;%20insomnia.\" target=\"_blank\" rel=\"noopener\">CBT-I techniques<\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"for-middle-aged-older-adults\"><strong>For Middle-Aged &amp; Older Adults<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Accept deep-sleep decline as normal<\/li>\n\n\n\n<li>Avoid medications that suppress deep sleep (some sedatives, alcohol)<\/li>\n\n\n\n<li>Screen for sleep apnea if snoring or gasping is present<\/li>\n\n\n\n<li>Get more daylight exposure (or try &#8220;<a href=\"https:\/\/slumberzon.com\/selected-sleep-gadgets-products-for-better-rest-3\/\" data-type=\"page\" data-id=\"2523\">Light Therapy Lamp<\/a>&#8221; like me) to strengthen circadian rhythm<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-3bed482\" id=\"selected-for-you\" data-block-id=\"3bed482\"><h2 class=\"stk-block-heading__text\">Selected for You:<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-e4d0803\" data-block-id=\"e4d0803\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-e4d0803-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-0c21aa9\" data-v=\"4\" data-block-id=\"0c21aa9\"><style>.stk-0c21aa9 {align-self:center !important;}.stk-0c21aa9-inner-blocks{align-items:center !important;justify-content:space-around !important;}@media screen and (min-width:1080px){.stk-0c21aa9 {flex:var(--stk-flex-grow, 1) 1 calc(66.666% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-0c21aa9-container stk--no-background stk--no-padding\"><div class=\"has-text-align-center stk--column-flex stk-block-content stk-inner-blocks stk-0c21aa9-inner-blocks\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-107b29c\" id=\"slumberzon-selected-products-to-improve-your-sleep\" data-block-id=\"107b29c\"><style>.stk-107b29c {margin-bottom:85px !important;}.stk-107b29c .stk-block-heading__text{font-size:33px !important;letter-spacing:1.3px !important;}@media screen and (max-width:1399px){.stk-107b29c .stk-block-heading__text{font-size:33px !important;}}<\/style><h2 class=\"stk-block-heading__text has-text-align-center\"><span style=\"color: var(--theme-palette-color-3, #4f4f4f);\" class=\"stk-highlight\">Slumberzon<br>Selected Products<br>to Improve Your Sleep<\/span><\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-803bf9b\" data-block-id=\"803bf9b\"><div class=\"stk-row stk-inner-blocks has-text-align-center stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button stk-block stk-6bff368\" data-block-id=\"6bff368\"><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"https:\/\/slumberzon.com\/selected-sleep-gadgets-products-for-better-rest-2\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"stk-button__inner-text\">Find More<\/span><\/a><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-2a5e4dc\" data-v=\"4\" data-block-id=\"2a5e4dc\"><style>@media screen and (min-width:1080px){.stk-2a5e4dc {flex:var(--stk-flex-grow, 1) 1 calc(33.334% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-2a5e4dc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-2a5e4dc-inner-blocks\">\n<div class=\"wp-block-stackable-carousel stk-block-carousel stk--is-slide stk--infinite-scroll stk--arrows-justify-space-between stk--arrows-align-center stk-block stk-7106ca7\" data-slides-to-show=\"\" data-block-id=\"7106ca7\"><div class=\"stk-block-carousel__content-wrapper\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-block-carousel__slider-wrapper stk-content-align stk-7106ca7-column\"><div class=\"stk-block-carousel__slider\" role=\"list\" data-autoplay=\"4000\" data-label-slide-of=\"Slide %%d of %%d\" tabindex=\"0\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-e23d891\" data-v=\"4\" data-block-id=\"e23d891\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-e23d891-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-e23d891-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-c24c13d\" data-block-id=\"c24c13d\"><style>.stk-c24c13d .stk-img-wrapper{width:100% !important;}<\/style><figure><a class=\"stk-link\" href=\"https:\/\/slumberzon.com\/recommends\/us\/amazon-echo-spot-smart-alarm-clock-with-alexa\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2303\" src=\"https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Amazon-Echo-Spot-2.webp\" width=\"1000\" height=\"1000\" alt=\"large surface area and recessed eye cavities offers wider eye space for your eyelids. The adjustable straps on the eye mask for sleeping are wider and elastic, will not catch your hair. Eye mask with breathable cover and gentle contours, which feels beautifully soft and smooth on your skin.\" srcset=\"https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Amazon-Echo-Spot-2.webp 1000w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Amazon-Echo-Spot-2-300x300.webp 300w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Amazon-Echo-Spot-2-150x150.webp 150w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Amazon-Echo-Spot-2-768x768.webp 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/span><\/a><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-ece4265\" data-v=\"4\" data-block-id=\"ece4265\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-ece4265-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-ece4265-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-4c4ffd6\" data-block-id=\"4c4ffd6\"><figure><a class=\"stk-link\" href=\"https:\/\/slumberzon.com\/recommends\/us\/omystyle-weighted-blankets-reversible-all-seasons\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2412\" src=\"https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Weighted-Blanket-1.webp\" width=\"1500\" height=\"1500\" alt=\"Magnetic fidget spinner ring set Anxiety Stress Relief 02\" srcset=\"https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Weighted-Blanket-1.webp 1500w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Weighted-Blanket-1-300x300.webp 300w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Weighted-Blanket-1-1024x1024.webp 1024w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Weighted-Blanket-1-150x150.webp 150w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Weighted-Blanket-1-768x768.webp 768w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Weighted-Blanket-1-12x12.webp 12w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><\/span><\/a><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-7a3f573\" data-v=\"4\" data-block-id=\"7a3f573\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-7a3f573-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-7a3f573-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-e9bba18\" data-block-id=\"e9bba18\"><figure><a class=\"stk-link\" href=\"https:\/\/slumberzon.com\/recommends\/ca\/now-supplements-gaba-500-mg-b-6-100\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2480\" src=\"https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/GABA-01_Copy-1.webp\" width=\"1500\" height=\"1500\" alt=\"Magnesium supports healthy muscle and nerve function to help relieve tension and discomfort for healthy physical performance, recovery, and relaxation.\" srcset=\"https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/GABA-01_Copy-1.webp 1500w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/GABA-01_Copy-1-300x300.webp 300w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/GABA-01_Copy-1-1024x1024.webp 1024w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/GABA-01_Copy-1-150x150.webp 150w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/GABA-01_Copy-1-768x768.webp 768w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/GABA-01_Copy-1-12x12.webp 12w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><\/span><\/a><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4808b39\" data-v=\"4\" data-block-id=\"4808b39\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4808b39-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4808b39-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-0d800e4\" data-block-id=\"0d800e4\"><figure><a class=\"stk-link\" href=\"https:\/\/slumberzon.com\/recommends\/us\/blissy-silk-sleep-mask-eye-mask-for-sleeping\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2483\" src=\"https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Blissy-Silk-Sleep-Mask-1.webp\" width=\"1500\" height=\"1500\" alt=\"ca blue light glassess 02 slumberzon [Filter Blue light Glasses for Women\/Men] Reduce Eyestrain-Enjoy your digital time, No worry about eye fatigue, blurred vision and headache. Because the glasses block the most harmful blue light from computer, phone and tv. [Sleep Better] You'll never have trouble with sleeping again with hunsquer blue light blocking glasses. It relives eye strain and headache, so that you can enjoy a restful deeper sleep\" srcset=\"https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Blissy-Silk-Sleep-Mask-1.webp 1500w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Blissy-Silk-Sleep-Mask-1-300x300.webp 300w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Blissy-Silk-Sleep-Mask-1-1024x1024.webp 1024w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Blissy-Silk-Sleep-Mask-1-150x150.webp 150w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Blissy-Silk-Sleep-Mask-1-768x768.webp 768w, https:\/\/slumberzon.com\/wp-content\/uploads\/2025\/10\/Blissy-Silk-Sleep-Mask-1-12x12.webp 12w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><\/span><\/a><\/figure><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div><div class=\"stk-block-carousel__dots\" role=\"list\" data-label=\"Slide %%d\"><\/div><\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"is-more-deep-sleep-always-better\"><strong>Is More Deep Sleep Always Better?<\/strong><\/h2>\n\n\n\n<p>\u274c <strong>No.<\/strong><br>Some people naturally get less deep sleep and still feel great during the day.<\/p>\n\n\n\n<p>The real goal is:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A stable sleep structure<\/li>\n\n\n\n<li>Feeling refreshed in the morning<\/li>\n\n\n\n<li>Being able to function well during the day<\/li>\n<\/ul>\n\n\n\n<p>Not chasing numbers on a sleep tracker.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"in-one-sentence\"><strong>In One Sentence\u2026<\/strong><\/h2>\n\n\n\n<p><strong>Deep sleep naturally decreases with age \u2014 maintaining a consistent sleep schedule is far more important than fixating on your deep sleep percentage.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-340fe25\" id=\"better-sleep-starts-tonight\" data-block-id=\"340fe25\"><h2 class=\"stk-block-heading__text\">Better Sleep Starts Tonight<\/h2><\/div>\n\n\n\n<p>When you understand what your brain and body do while you sleep, it becomes easier to prioritize what matters most \u2014 quality, restorative rest.<br>Start making small changes today, and you\u2019ll feel the benefits in your energy, mood, memory, and overall health tomorrow.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--40);margin-bottom:var(--wp--preset--spacing--40)\"\/>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-860b049\" data-block-id=\"860b049\"><style>.stk-860b049-column{justify-content:flex-start !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-860b049-column stk--flex\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-ecd10fd\" data-v=\"4\" data-block-id=\"ecd10fd\"><style>.stk-ecd10fd {align-self:center !important;}@media screen and (min-width:1080px){.stk-ecd10fd {flex:var(--stk-flex-grow, 1) 1 calc(35% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-ecd10fd-container stk--no-background stk--no-padding\"><div class=\"has-text-align-center stk-block-content stk-inner-blocks stk-ecd10fd-inner-blocks\">\n<p style=\"font-size:14px\">Affiliate Disclosure<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-7f1f47c\" data-v=\"4\" data-block-id=\"7f1f47c\"><style>.stk-7f1f47c {align-self:center !important;}.stk-7f1f47c-inner-blocks{align-items:center !important;justify-content:center !important;}@media screen and (min-width:1080px){.stk-7f1f47c {flex:var(--stk-flex-grow, 1) 1 calc(65% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-7f1f47c-container stk--no-background stk--no-padding\"><div class=\"stk--column-flex stk-block-content stk-inner-blocks stk-7f1f47c-inner-blocks\">\n<p style=\"font-size:13px\">Slumberzon is reader-supported. Our contents contain affiliate links.<br>When you purchase through links on our site, we may earn a small commission \u2014 at no extra cost to you.<\/p>\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Sleep isn\u2019t one long, uniform state. Instead, it\u2019s a carefully orchestrated cycle made up of four distinct stages, each supporting your body and brain in different ways. Understanding the 4 Stages of Sleep: On a typical night, you move through four to six sleep cycles, and each one lasts roughly 90 minutes. When you understand what happens in these stages \u2014 especially deep sleep \u2014 it becomes clear why we spend nearly one-third of our lives asleep. Stage 1 (NREM N1): Drifting OffDuration: 1\u20137 minutesThis is the moment your body transitions from wakefulness into sleep. It\u2019s incredibly light \u2014 a noise or slight movement can wake you easily. Think of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2839,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAow1L2iDA:productID":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[2],"tags":[38],"class_list":["post-2838","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-better-sleep-guides","tag-deep-sleep"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/slumberzon.com\/ja\/wp-json\/wp\/v2\/posts\/2838","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/slumberzon.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/slumberzon.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/slumberzon.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/slumberzon.com\/ja\/wp-json\/wp\/v2\/comments?post=2838"}],"version-history":[{"count":11,"href":"https:\/\/slumberzon.com\/ja\/wp-json\/wp\/v2\/posts\/2838\/revisions"}],"predecessor-version":[{"id":2896,"href":"https:\/\/slumberzon.com\/ja\/wp-json\/wp\/v2\/posts\/2838\/revisions\/2896"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/slumberzon.com\/ja\/wp-json\/wp\/v2\/media\/2839"}],"wp:attachment":[{"href":"https:\/\/slumberzon.com\/ja\/wp-json\/wp\/v2\/media?parent=2838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/slumberzon.com\/ja\/wp-json\/wp\/v2\/categories?post=2838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/slumberzon.com\/ja\/wp-json\/wp\/v2\/tags?post=2838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}