PSY 102 Lecture Notes - Lecture 6: Sleep Debt, Orexin, Delta Wave
6 Apr 2016
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Introspection: looking for reality to improve ourselves. Non-rem sleep stages 1-4: stage 1, stage 2, stage 3/4. 5-10 minutes light stage brain powering down by 50% theta waves. 15-30 minutes delta waves increase have to reach to feel rested. Rem sleep stage 5: stage 5, facts. 2. biological changes that occur on a 24hr basis the biological clock tiny region located in the hypothalamus. Scn disruptions (jet lag/late shifts) can cause numerous health problems things that happen while sleeping but not while we are awake falling asleep triggered by increased secretion of melatonin. 3. newborns 16 hours areas of the brain that aren"t developed yet so they need more sleep. 4. college/university students 9 hours (sleep or at least restfulness) neurogenesis until 25 years of age not sleepy at night and most stay up so we are constantly sleep deprived: most people 7-10 hours. 6. people (less than 1% of the population) with dec2 mutation.
