PSY 212 Lecture Notes - Lecture 17: Psy, Sleep Spindle, Insomnia
Document Summary
Health practice we engage and usually abuse types: non rapid eye movement (nrem) and rapid eye movement (rem) 1. lightest stage is marked by theta waves- we begin to tune out sounds around us and are easily awakened. Breathing and heart rates even out, body temp drops, brain waves alternate between short bursts called sleep spindles and large k complex waves. Deep sleeps marked by delta waves : most important for restoring energy, strengthening immune system and prompting body to release growth hormone. Rem: eyes dart back and forth, breathing and heart rates flutter, dream vividly. Marked by beta waves, important for consolidating memories, solving problems from previous day and turning knowledge into long term memories. At least 40 million americans, over age 40 have chronic sleep disorders- insomnia. College students chose to deprive selves of sleep. For women, sleep disorders may be tied to hormonal levels related to menopause. Insufficient sleep affects cognitive functioning, mood, work performance and.
