Link Between Subjective Sleepiness and Body Temperature

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The moment when an individual subjectively feels most sleepy is when their body is on the steepest downward slope of dropping core body temperature. This connection is crucial as it indicates a close relationship between the feeling of sleepiness and the physiological changes in the body during the sleep-wake cycle.

Renowned sleep scientist Matthew Walker discusses everything you need to know about what a better night’s sleep can do for your life, and how to prioritize and perfect the way you sleep. Walker breaks down how to identify when you need more sleep, how to deal with insomnia, the best devices to track your sleep, and some unconventional sleep hygiene tips, including why it’s never a good idea to count sheep. Walker is a Professor of Neuroscience and Psychology at the University of California-Berkeley, and is also the founder and director of the Center for Human Sleep Science. He has published over 100 scientific research studies on the impact of sleep on human brain function, and he is the author of the 2017 book, Why We Sleep: Unlocking the Power of Sleep and Dreams. --

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