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R.E.M. SLEEP. Chase Smith Garre t t Hintz. What R.E.M. Does For Us. Restorative Necessary for prolonging life Memory. How important is R.E.M. sleep?. Overdrawn bank account. REM sleep reduced to 9.2% , rose to 140.1% first recovery night. . So what is the purpose of R.E.M.?.
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R.E.M. SLEEP Chase Smith Garrett Hintz
What R.E.M. Does For Us • Restorative • Necessary for prolonging life • Memory
How important is R.E.M. sleep? • Overdrawn bank account. • REM sleep reduced to 9.2%, rose to 140.1% first recovery night.
Sleep Needs • Infancy: Birth to 4 months, 14-16 hours of sleep • 18 and older: 8-9 hours of sleep to hit enough REM sleep • About 1/3 of our life is spent sleeping.
Sleep Stages • NREM Sleep: (Stages 1-4) 75% of the night • Stage 1: Between awake and falling asleep, light sleep. • Stage 2: Onset of sleep, disengaged from surroundings, breath and heart rate regular, body temperature drops • Stage 3 and 4-Deepest and most restorative, blood pressure drops, slower breathing, muscles relaxed, tissue growth and muscle repair, energy restored. • Hormones Released: Growth Hormone, essential for growth and development including muscle development. • Stage 5 (REM)- Energy to brain and body, supports daytime performance, brain is active, dreams occur, eyes dart back and forth, body becomes immobile and relaxed, muscles are turned off
Cortisol • When we first lay down, cortisol decreases so we can relax and start the sleep cycle • Once we are awake, cortisol levels increase to keep us alert • image of cortisol release