PS101 Lecture Notes - Lecture 15: Lucid Dream, Sleep Deprivation, Wish Fulfillment
Document Summary
Sleep: deep sleep happens early, rem sleep starts happening at the end of your sleep. Sleep and the environment: everyone knows the environment affects the sleep, effects of environmental factors. Increase arousal and heart rate: decreases time in deep slow-wave sleep increase time in less restful sleep. Sleep less: rem sleep decreases during infancy, childhood, time in stages 3,4 (slow-wave sleep) declines. Short and long sleepers: many individual differences in sleep time, why, genes, environmental factors. Move similar patterns among identical twins (lack-fast increase in body temperature) Long and short sleepers (average required 6. 5 hours, 6-10 for long sleepers) Followed by decrements in cognitive and physical performance. Short term (up to 45 hours without sleep) Insomnia - can"t get to sleep, wake too quickly/easily - life stressors. Small number in nrem: almost all are rem dreams. Fears, wishes, plans, hopes, and worries - the things we focus on while awake.
