Insomnia etiology

Insomnia complaints are common in the general population and can be dichotomized into problems of delayed sleep onset and those related to sleep maintenance. Increasing attention is being focused on the adverse daytime effects of insomnia. Sleep disturbances become more common with increased age and are more prevalent in women. Sleep complaints arise from very diverse etiologies which prominently include concomitant primary... 

Anxiety and insomnia are prevalent symptoms with multiple etiologies. Effective treatments are available, but they vary by diagnosis. In most instances, the best course of action is to treat the underlying disorder rather than reflexively to institute treatment with a nonspecific anxiolytic. 

The human prion diseases include CJD, kuru, Gerstmann-Straussler-Scheinker (GSS), and fatal insomnia, which can be classified into three groups based on etiology (Table 29.1). 

It is an useful hypnotic agent employed in the management of insomnia of varied etiology. It may induce sleep within a span of 45 minutes and produce sleep ranging between 5 to 8 hours. 

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