![]() ![]() When they wake again in a few minutes, they may suffer an unpleasant side effect of being woken up mid-sleep cycle: sleep inertia.Ĭortisol and testosterone levels fall quickly in non-REM sleep, back to less optimal levels for waking. People who hit the snooze button and fall back to sleep begin a new sleep cycle, in non-REM sleep. This REM sleep is stopped by your awakening to either turn the alarm off or hit the snooze button. When the alarm goes off, your brain is most likely engaged in REM sleep, which is the final phase of each sleep cycle. Testosterone is also important to the production of other sex hormones, such as estrogen.Ĭlearly, cortisol and testosterone are both important, but what does this have to do with the snooze button? The Snooze Button and Your Hormones Testosterone supports a healthy hormonal structure deficiencies of this androgen create diverse symptoms such as fatigue, weight gain and lowered sex drive. While it is widely considered a male hormone, it is important to both sexes. Testosterone also is crucial to good health. While cortisol can have detrimental effects in the high amounts associated with chronic stress, it is an important hormone for daily function in normal amounts. In addition, cortisol promotes a healthy metabolism and mental alertness. Cortisol reduces inflammation throughout the body, primes the immune system to react to pathogens and promotes the production of other hormones such as human growth hormone. ![]() While cortisol is widely viewed as a stress hormone, it is a very important biochemical in moderate amounts. When people naturally awaken according to their innate circadian rhythm, testosterone and cortisol are both high from these long REM periods, which supports wakefulness and alertness. ![]() As dawn nears, REM cycles become increasingly longer. In REM sleep, the brain kicks into gear, with an increase in brain waves and heightened production of hormones including cortisol and testosterone. In non-REM sleep, the brain has slower waves and performs many maintenance activities. We go through several cycles at night, alternating between non-REM and REM sleep. Humans are made to wake up slowly rather than at the call of an alarm. The Endocrine System and Your Sleep Cycle However, researchers of chronobiology warn that this extra sleep may be an actual health hazard rather than the blessing it seems. Rather than purposely set your alarm 15 minutes earlier than you need to, reasoning that the extra time in bed will help you wake up gently, just set one alarm.Since the invention of the snooze button in 1956, millions of people have opted on many mornings for just a few more minutes of sleep. That feeling is technically called ‘sleep inertia’. You’re unlikely to be able to snooze long enough for a full sleep cycle (around 90 minutes), so your brain won’t thank you and you’ll probably wake again feeling half-asleep and fuzzy headed. In the hour or two before waking, if you have had enough sleep your body temperature will rise and you will start to produce more cortisol and dopamine, hormones that tell you to get ready for the day.īut going BACK to sleep can throw off the production of hormones.Ģ1 sleepy kids who understand your afternoon slump struggles It confuses your body, which has several natural processes to prepare for getting out of bed.Įven though the fact you feel groggy means you weren’t fully into the ‘wake up’ stage, hitting snooze again could take you even further back into dreamland. The science behind it is summed up in this video by ASAP Science:īasically, when you wake up then hit snooze you could reset the sleep cycle, so if you drift back off again you could do so more deeply.ħ reasons why you’re feeling sleepy during the day ![]()
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