PSY 4327 Lecture Notes - Lecture 3: Sudden Infant Death Syndrome, Dystonia, Ataxia

• School: University of Ottawa
• Department: Psychology
• Course: PSY 4327
• Professor: Suzanne Weld

Document Summary

Irregular sleep-wake pattern - having no set time going asleep or waking up, they have trouble sleeping or waking because they don"t have set sleeping times or waking times. 3: delayed sleep-phase syndrome - your sleep is delayed; they cannot go to bed earlier than their set brain sleep time. Have trouble getting to sleep when they want to, trouble waking up when they want to clock in his head. Difficult to hold a job - becomes sleep deprived. the body"s clock is shaped later in the day 2 they can"t shift it earlier. Even if he tried to go to bed early and wake up early, he can"t fall asleep. Causes: long intrinsic circadian period lack/over sensitivity to light. Circadian clock is advanced (earlier: non-24-hour sleep-wake syndrome - free running biological clock; not anchored to anything. Everyday they are either a few hours (one or two) ahead or behind than they were the day before: circadian rhythm sleep disorder (nos)