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Health News, 21 Nov 2025 (By BNN Web Staff)\u2013<\/strong> If you regularly get fewer than six hours of sleep because of late-night phone scrolling or work pressure, you may be quietly starting a chain of dangerous health problems that can last a lifetime, warns Dr Ajay Kumar Gupta, Head of Internal Medicine at Max Super Speciality Hospital, Vaishali.<\/p>\n \u201cSleep is not just rest \u2013 it is the body\u2019s reset button,\u201d explains Dr Gupta. \u201cDuring deep sleep, the body repairs tissues, balances hormones, clears toxins from the brain, and strengthens immunity. When you consistently cut sleep short, this entire system begins to break down.\u201d<\/p>\n What Really Happens When You Sleep Less Than 6 Hours<\/em><\/strong><\/p>\n 1. Hormonal Chaos<\/strong><\/p>\n Chronic sleep deprivation keeps stress hormone cortisol permanently elevated, leaving the body in a constant \u201calert\u201d state. This leads to anxiety, irritability, high blood pressure, and uncontrolled appetite. It also disrupts insulin balance, dramatically raising the long-term risk of Type-2 diabetes.<\/p>\n 2. Heavy Toll on the Heart<\/strong><\/p>\n Research shows people who regularly get insufficient sleep have significantly higher chances of hypertension, irregular heartbeats, and heart attacks. Lack of sleep also triggers inflammation in blood vessels, putting continuous strain on the heart \u2013 especially dangerous for those with pre-existing cardiac conditions.<\/p>\n 3. Weakened Immune System<\/strong><\/p>\n Deep sleep is when the body produces cytokines \u2013 proteins that fight infection and inflammation. Less sleep = fewer cytokines = frequent illnesses, slower recovery from injuries, and chronic low-grade inflammation linked to obesity, arthritis, and digestive disorders.<\/p>\n 4. Brain Fog and Accelerated Ageing<\/strong><\/p>\n Even one night of poor sleep impairs concentration, reaction time, and decision-making. Over years, the brain fails to clear beta-amyloid (a toxic protein linked to Alzheimer\u2019s), effectively ageing the brain faster.<\/p>\n 5. Mood Swings and Weight Gain<\/strong><\/p>\n Sleep deprivation throws emotional regulation out of balance and disrupts hunger hormones (ghrelin and leptin), causing cravings for sugary, fried, and high-calorie foods \u2013 a major hidden cause of weight gain.<\/p>\n Simple Habits for Better Sleep (No Major Lifestyle Overhaul Needed)<\/strong><\/em><\/p>\n Dr Gupta recommends these easy, evidence-based changes:<\/p>\n \u201cSix hours or less is simply not enough for most adults,\u201d stresses Dr Gupta. \u201cIn today\u2019s busy world, people treat sleep as optional, but quality sleep is the single most powerful (and free) tool we have for energy, long-term health, and longevity.\u201d<\/p>\n When the body is fully rested, it works better, heals faster, and stays healthier for longer. Prioritising 7\u20139 hours of sleep every night is one of the smartest health investments you can make.<\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" Health News, 21 Nov 2025 (By BNN Web Staff)\u2013 If you regularly get fewer than six hours of sleep<\/p>\n","protected":false},"author":3,"featured_media":1918,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1557],"tags":[1872,109,1873,1874,1875,1876,1877,1878,1879,728,1880,1881,1882],"class_list":["post-2646","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-others","tag-expert-advice","tag-health-news","tag-heart-health","tag-hormonal-imbalance","tag-immune-system","tag-insomnia-risks","tag-lifestyle-health","tag-medical-research","tag-mental-health","tag-public-health","tag-sleep-deprivation","tag-sleep-tips","tag-wellness"],"magazineBlocksPostFeaturedMedia":{"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"colormag-highlighted-post":false,"colormag-featured-post-medium":false,"colormag-featured-post-small":false,"colormag-featured-image":false,"colormag-default-news":false,"colormag-featured-image-large":false},"magazineBlocksPostAuthor":{"name":"admin","avatar":"https:\/\/secure.gravatar.com\/avatar\/18e12f979c7dbcc2096868fc531de295a11443c392b4bb6e60ce343131707eaa?s=96&d=mm&r=g"},"magazineBlocksPostCommentsNumber":false,"magazineBlocksPostExcerpt":" Health News, 21 Nov 2025 (By BNN Web Staff)\u2013 If you regularly get fewer than six hours of sleep","magazineBlocksPostCategories":["Others"],"magazineBlocksPostViewCount":1,"magazineBlocksPostReadTime":3,"magazine_blocks_featured_image_url":{"full":false,"medium":false,"thumbnail":false},"magazine_blocks_author":{"display_name":"admin","author_link":"https:\/\/mediapbn.com\/?author=3"},"magazine_blocks_comment":0,"magazine_blocks_author_image":"https:\/\/secure.gravatar.com\/avatar\/18e12f979c7dbcc2096868fc531de295a11443c392b4bb6e60ce343131707eaa?s=96&d=mm&r=g","magazine_blocks_category":"Others<\/a>","videoUrl":"","yoast_head":"\n\n