PSY 312 Lecture Notes - Lecture 13: Muscle Tone, Vestibular System, Sedative

• School: University of Kentucky
• Department: Psychology
• Course: PSY 312
• Professor: beckmann

Document Summary

Increases time to fall asleep and reduces total sleep time: does not alter rem, but does increase time spent in light sleep (stage 2) and decreases time in deep sleep (stages 3 and 4) Individual differences, heavy users are tolerant to these effects: why do we sleep, 2 theories, adaptive behavior, keeps you alive, evolutionary behavior that served a survival purpose, avoiding predators, restorative behavior. Sleep regenerates systems wore down throughout the day. Studies in exercise: marathon runners do not sleep any more the night after the run (about 8 hours, people confined to bed, quadra- and paraplegic patients do not sleep any. Sleep deprivation studies less (about 8 hours: 17 year old stayed awake for 264 hours (11 days), only slept for 15 hours the first night, and. Instant shift in setting: moving through time, frequency, 4-6 dreams per night beginning at 90 minutes (total dream time approx.