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Transcript of Sleep
more dark: more melatonin heightened anabolic state, growth and rejuvenation of the immune, nervous, skeletal and muscular systems polyphasic sleep alarm clocks waking the same time coffee eat at the same time you spend 1/3 of your life sleeping
giraffes: 1.9 hours old people: 6 hours adults: 8 hours adults with newborns? Why is sleep important? We don't really know.
circadian rhythm synced with light and adjusts body temperature, enzymes, etc
Biological clock dozing off, brainwave change, you get more and more relaxed, heart rate, body temperature drops
super slow brainwaves, deep sleep, brain is resting, growth hormones, body rejuvenates
you don't snore!
breathing, heart rate increase, dreaming, muscles are paralyzed
adults reach REM every 90 minutes
we don't know why REM is useful but lack of it impairs ability to learn complex things circadian cycle a physiological state characterized by a decline in motor dexterity and a subjective feeling of grogginess immediately following an abrupt awakening BOOORING sleep inertia sun lamps COOL blocking adenosine receptors in the brain waking from deep sleep will make you feel like shit wakemate sleep cycle hypnic jerk muscles resting brain sends signals to arm and leg muscles brain misinterprets as indications of falling