{"id":6265,"date":"2025-10-05T14:07:47","date_gmt":"2025-10-05T08:37:47","guid":{"rendered":"https:\/\/ksrini.life\/29035f-co-nz\/journal\/?p=6265"},"modified":"2025-10-05T14:07:47","modified_gmt":"2025-10-05T08:37:47","slug":"tick-tock-your-body-clocks","status":"publish","type":"post","link":"https:\/\/ksrini.life\/29035f-co-nz\/journal\/tick-tock-your-body-clocks\/6265\/","title":{"rendered":"Tick Tock: Your Body Clocks"},"content":{"rendered":"<picture><img decoding=\"async\" title=\"Illustration of a human silhouette filled with clocks\" src=\"https:\/\/newsinhealth.nih.gov\/sites\/newsinhealth\/files\/2018\/April\/illustration_persons_silhouette_filled_clocks.jpg\" alt=\"Illustration of a human silhouette filled with clocks\" \/><\/picture>\nDid you know that your body has its own internal network of clocks? These biological clocks help you feel alert during the day, hungry at mealtimes, and sleepy at night. Keeping your body\u2019s daily cycles, or circadian rhythms, in sync is important for your health.<\/p>\n<p>\u201cCircadian rhythms are big influencers in the body,\u201d explains NIH\u2019s Dr. Michael Sesma, an expert in circadian biology. \u201cThey affect almost every part of your physiology in one way or another. Learning how the rhythm is generated is critical for understanding health.\u201d<\/p>\n<p>Our natural daily rhythms are synchronized with the sun. A \u201cmaster clock\u201d in the brain receives direct input from the eyes and coordinates all the biological clocks in the body. During the day, it sends signals to other brain regions to make\u00a0<span class=\"qtip-instance-default qtip-link qtip-processed\">hormones<\/span>\u00a0that will help keep you awake, boost your heart rate, and give you energy. In the evening, when less light enters your eyes, it triggers production of a hormone called melatonin. Melatonin makes you feel drowsy and helps you stay asleep.<\/p>\n<p>\u201cMany of your body\u2019s functions and normal daily activities\u2014like sleeping, waking, eating, and going to the bathroom\u2014are patterned around this 24-hour cycle,\u201d Sesma explains.<\/p>\n<p>Your biological clock\u2019s \u201csettings\u201d are determined by specific genes.\u00a0 These settings can affect body temperature, blood pressure, activity level, inflammation (your body\u2019s protective response to injury or infection), fertility, mood, and brain functions. Even the timing of health-related events can be related to your biological clocks. For instance, heart attacks are more likely to occur early in the morning, when the level of a hormone called cortisol starts its daily rise.<\/p>\n<p>Circadian rhythms can influence eating habits, digestion, and metabolism (how our body uses and stores energy), too. Researchers have found that eating later in the day, closer to when melatonin is released, can disrupt the body\u2019s natural rhythms. This can lead to increased body fat and weight gain, which are often associated with obesity, heart disease, and diabetes.<\/p>\n<p>Time of day has also been shown to impact the effectiveness and side effects of certain medications, including those used to treat cancer.<\/p>\n<p>Be mindful about how you may be altering your circadian rhythms. \u201cOur around-the-clock society creates challenges for our internal clocks,\u201d Sesma says. \u201cThere are lots of modern situations that can disrupt our rhythms, and some may contribute to health problems.\u201d<\/p>\n<p>For instance, shift workers who must be on the job after the sun goes down are at odds with their biological clocks. They may be tired at work and have trouble falling or staying asleep during daylight hours after work. Studies show that shift workers have increased risk for heart disease, digestive disturbances, cancer, depression, and other health problems.<\/p>\n<p>Traveling across time zones can also disrupt your circadian rhythms. The brain has trouble adjusting when the time of day suddenly changes. The result is jet lag.<\/p>\n<p>\u201cResearchers are considering time of day and how to sync up with the body\u2019s clocks in all aspects of health, even the best time to have surgery on specific parts of the body,\u201d Sesma says. These studies may lead to new insights for a range of clock-related disorders, from insomnia and jet lag to diabetes.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Did you know that your body has its own internal network of clocks? These biological clocks help you feel alert during the day, hungry at mealtimes, and sleepy at night. Keeping your body\u2019s daily cycles, or circadian rhythms, in sync is important for your health. \u201cCircadian rhythms are big influencers in the body,\u201d explains NIH\u2019s<\/p>\n","protected":false},"author":1,"featured_media":6266,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[316],"tags":[588],"class_list":["post-6265","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-posters-bytes","tag-energy-rhythms","enable-dropcap","disable-2-columns"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tick Tock: Your Body Clocks - 29035f Journal<\/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:\/\/ksrini.life\/29035f-co-nz\/journal\/tick-tock-your-body-clocks\/6265\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tick Tock: Your Body Clocks - 29035f Journal\" \/>\n<meta property=\"og:description\" content=\"Did you know that your body has its own internal network of clocks? 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