PSYC 106 Lecture Notes - Lecture 2: Sleep Hygiene, Pharmacotherapy, Suprachiasmatic Nucleus

• School: Simon Fraser University
• Department: Psychology
• Course: PSYC 106
• Professor: A L L

Document Summary

Psyc 106: movies and mental illnesses lecture 2: sleep: normal and abnormal. Timing and duration of sleep: sleep pressure. : builds as a function of time since last period refreshing sleep: builds consistently, linear fashion across waking hours. 25: duration of rem stages increases as the sleep cycle progresses. Primary insomnia: difficulty initiating or maintaining sleep, often, arousal increases as approach bedtime (anxiety about ability to achieve sleep, periods of insomnia often triggered by external stressor, yet effects endure after situation resolved. Insomnia understood in terms of predisposing, precipitating & perpetuating factors. Predisposing factors: persons prone to insomnia excessively and selectively attentive to sleep cues: persons prone to insomnia higher in the trait of neuroticism and present with anxiety sx. Perpetuating factors: factors, which increase the likelihood that sleep disturbances persist. What is sleep hygiene: poor sleep habits (referred to as hygiene) are among the most common problems encountered in our society.