{"id":2933,"date":"2025-11-20T19:01:02","date_gmt":"2025-11-20T19:01:02","guid":{"rendered":"https:\/\/theinformantusa.com\/?p=2933"},"modified":"2025-11-20T19:03:25","modified_gmt":"2025-11-20T19:03:25","slug":"new-study-brain-enters-maintenance-mode-when-you-pull-an-all-nighter","status":"publish","type":"post","link":"https:\/\/theinformantusa.com\/?p=2933","title":{"rendered":"NEW STUDY: BRAIN ENTERS \u201cMAINTENANCE MODE\u201d WHEN YOU PULL AN ALL-NIGHTER"},"content":{"rendered":"\n

Research published in Nature Neuroscience<\/em> shows that sleep deprivation triggers cleaning pulses in the brain normally seen only during deep sleep \u2014 causing attention lapses and slower reactions.<\/h2>\n\n\n\n

Going one night without sleep doesn\u2019t just make you tired \u2014 it changes the way your brain operates<\/strong>. A new study published in Nature Neuroscience<\/strong> reveals that after prolonged wakefulness, the brain periodically slips into a kind of \u201cinternal maintenance mode\u201d<\/strong>, even while a person appears awake.<\/p>\n\n\n\n

Researchers from Boston University<\/strong> and the Massachusetts Institute of Technology (MIT)<\/strong> found that during brief lapses in attention, the brain releases a wave of cerebrospinal fluid (CSF)<\/strong> \u2014 the same cleansing process normally seen during deep sleep<\/strong>. This fluid helps remove waste and maintain the nervous system.<\/p>\n\n\n\n

The study suggests that when a person is severely sleep-deprived, the brain forces itself<\/strong> to perform part of its nightly cleaning duties during wakefulness \u2014 and the result is a significant drop in mental performance.<\/p>\n\n\n\n

Participants experienced moments where they reacted more slowly<\/strong>, or failed to respond to simple stimuli<\/strong>, as if the brain briefly \u201cchecked out\u201d to prioritize maintenance instead of attention.<\/p>\n\n\n\n

HOW THE STUDY WORKED<\/h2>\n\n\n\n

Scientists analyzed 26 young adults<\/strong> under two conditions:<\/p>\n\n\n\n

    \n
  1. After a night of normal sleep<\/li>\n\n\n\n
  2. After staying awake all night<\/li>\n<\/ol>\n\n\n\n

    The next day, participants underwent attention tests inside an MRI scanner<\/strong>, while also wearing EEG caps<\/strong>, pupil sensors<\/strong>, and other biometric trackers.<\/p>\n\n\n\n

    Researchers observed \u2014 in real time \u2014 how the brain, body, and eyes responded to tasks. Each attention lapse<\/strong> matched a pulse of CSF<\/strong> flowing into and out of the brain.<\/p>\n\n\n\n

    These pulses did not<\/strong> appear in well-rested participants.<\/p>\n\n\n\n

    WHAT IT MEANS<\/h2>\n\n\n\n

    The findings show that sleep deprivation destabilizes the brain\u2019s alertness system<\/strong>. To compensate, the brain intermittently slips into a state physiologically similar to sleep<\/strong> \u2014 even when the person is awake.<\/p>\n\n\n\n

    The result is a sharp decline in performance<\/strong>, attention, and responsiveness.<\/p>\n\n\n\n

    Scientists say the brain cannot postpone its recovery processes<\/strong>, making sufficient sleep essential for cognitive health.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Research published in Nature Neuroscience shows that sleep deprivation triggers cleaning pulses in the brain normally seen only during deep sleep \u2014 causing attention lapses and slower reactions. Going one night without sleep doesn\u2019t just make you tired \u2014 it changes the way your brain operates. A new study published in Nature Neuroscience reveals that […]<\/p>\n","protected":false},"author":2,"featured_media":2934,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-2933","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lifestyle"],"yoast_head":"\nNEW STUDY: BRAIN ENTERS \u201cMAINTENANCE MODE\u201d WHEN YOU PULL AN ALL-NIGHTER - The Informant USA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/theinformantusa.com\/?p=2933\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NEW STUDY: BRAIN ENTERS \u201cMAINTENANCE MODE\u201d WHEN YOU PULL AN ALL-NIGHTER - The Informant USA\" \/>\n<meta property=\"og:description\" content=\"Research published in Nature Neuroscience shows that sleep deprivation triggers cleaning pulses in the brain normally seen only during deep sleep \u2014 causing attention lapses and slower reactions. Going one night without sleep doesn\u2019t just make you tired \u2014 it changes the way your brain operates. A new study published in Nature Neuroscience reveals that […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/theinformantusa.com\/?p=2933\" \/>\n<meta property=\"og:site_name\" content=\"The Informant USA\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61575215453941\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-20T19:01:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-20T19:03:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/theinformantusa.com\/wp-content\/uploads\/2025\/11\/the-informant-23-1024x576.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"576\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"THE INFORMANT USA EDITORIAL\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@TheInformantUSA\" \/>\n<meta name=\"twitter:site\" content=\"@TheInformantUSA\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"THE INFORMANT USA EDITORIAL\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/theinformantusa.com\/?p=2933#article\",\"isPartOf\":{\"@id\":\"https:\/\/theinformantusa.com\/?p=2933\"},\"author\":{\"name\":\"THE INFORMANT USA EDITORIAL\",\"@id\":\"https:\/\/theinformantusa.com\/#\/schema\/person\/a225d759aad5f3e3286992983049831b\"},\"headline\":\"NEW STUDY: BRAIN ENTERS \u201cMAINTENANCE MODE\u201d WHEN YOU PULL AN ALL-NIGHTER\",\"datePublished\":\"2025-11-20T19:01:02+00:00\",\"dateModified\":\"2025-11-20T19:03:25+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/theinformantusa.com\/?p=2933\"},\"wordCount\":335,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/theinformantusa.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/theinformantusa.com\/?p=2933#primaryimage\"},\"thumbnailUrl\":\"https:\/\/theinformantusa.com\/wp-content\/uploads\/2025\/11\/the-informant-23.png\",\"articleSection\":[\"LIFESTYLE\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/theinformantusa.com\/?p=2933#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/theinformantusa.com\/?p=2933\",\"url\":\"https:\/\/theinformantusa.com\/?p=2933\",\"name\":\"NEW STUDY: BRAIN ENTERS \u201cMAINTENANCE MODE\u201d WHEN YOU PULL AN ALL-NIGHTER - 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