PSY3032 Lecture Notes - Lecture 5: Circadian Rhythm Sleep Disorder, Sleep Onset, Insomnia
11 Oct 2018
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Defined by a repeated difficulty with sleep initiation, duration, consolidation, or quality that occurs despite adequate time and opportunity for sleep. Results in some form of daytime impairment. Insomnia complaints typically include difficulty initiating or maintaining sleep and they usually include extended periods of nocturnal wakefulness or insufficient amounts of nocturnal sleep. Secondary forms of insomnia = when the insomnia is a symptom of a medical or psychiatric illness, another sleep disorder, or substance abuse. Primary insomnia = may have intrinsic and extrinsic factors involved in their etiology, but they are not regarded as being secondary to another disorder. Insomnia due to medical condition is applied when a medical or neurologic disorder gives rise to the insomnia. Insomnia due to drug or substance is applied when there is dependence on or excessive use of a substance such as alcohol, a recreational drug, or caffeine that is associated with the occurrence of the insomnia.
