Psychology 1000 Lecture Notes - Lecture 19: Circadian Rhythm, Insomnia, Muscle Weakness

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

Next time: learning - scan: finish chapter 6, pg. Sleep disorders - about 15% of adults complain. Insomnia: most common, difficulty in getting to sleep or staying asleep: for some, expectation fall short, sleep for 5 hours, but expect 8 hours like other people, situational insomnia: specific stressor, chronic insomnia: possibly circadian rhythm problem. Activation remains high and normal sleep cycle fails to develop: sleep apnea. Normal, but people with disorder do not start breathing again unless they wake up. Severe: may stop for about 1 minute, hundreds of times in the night (insomnia) Person suddenly falls asleep at odd times: muscle weakness. Sleepwalking: many waking actions performed out of awareness. Occurs in stage 4 (not a part of a dream) Night terrors: when asleep, child suddenly sits up, screams. Note: it is not associated with dreams, occurs in stage 3 or 4. Exploding head syndrome: when falling asleep or waking up.