PSYCH 100 Exam 3 ~ CROSBY PSU Questions and Answers!

circadian rhythm - ANSWER a cycle of bodily rhythm that occurs over a 24-hour period - sleep wake cycle REM Sleep - ANSWER - rapid eye movement -eyes moving under eyelids -increase in body function (ex: heartbeat) - 90% of dreaming - REM paralysis Stages of Sleep: Stage 1 - ANSWER NonREM light sleep hypnic jerk/hypnic image quiet sleep Stages of Sleep: Stage 2 - ANSWER temperature, breathing, and heart rate decrease; sleep spindles Stages of Sleep: Stage 3 - ANSWER growth hormones released, hard to week up insomnia - ANSWER inability to fall asleep, stay asleep, and get good quality sleep narcolepsy - ANSWER person immediately falls in REM sleep during the day without warning, triggered by emotions nightmares - ANSWER bad dreams arousing feelings of horror, helplessness, sorrow, occur during REM sleep during the second half of the night people remember nightmares often related to day residue adaptive theory - ANSWER animals and humans have evolved sleep patterns to avoid predators by sleeping when predators are most active restor