PSYC 191 Lecture Notes - Lecture 11: Circadian Clock, Generalized Anxiety Disorder, Sleep Onset
Document Summary
Lecture 11 notes- disorders of sleep, part 2. Insomnia- inability to sleep or remain asleep due to any cause (dyssomnia, medial/psychiatric) Severity levels- transient (few days), acute (brief bouts over months/years), chronic (nightly for at least a month: 15% of people report chronic insomnia at some point in lives. Sleep onset insomnia- hard to get to sleep. Multiple arousal (fragmented sleep)- trouble staying asleep. Terminal insomnia (early wakenings)- wake up earlier than homeostatic sleep drive is reset. Circadian sleep phase disorder (dyssomnia: usually a phase delay problem (going to sleep very late, a change in. Psychiatric: generalized anxiety disorder (usually sleep onset insomnia) While stressed, make associations with stress and surrounding objects, so even when stressor goes away, still feel anxious: depression (usually multiple arousal or early arousal insomnia) Fall relatively quickly into intense rem sleep (when not on medication) Treatments o o o o o o. Light therapy or melatonin (zeitgebers) to reset circadian clock.
