Primary or psychophysiological insomnia has alternatively been viewed as either a
predominantly psychological problem or as a predominantly physiological problem. Several …

The electroencephalograms (EEGs) of the sleep onset period (SOP) of psychophysiological
insomniacs, psychiatric insomniacs, and controls were compared using power spectral …

Objective Sleep State Misperception insomnia has been commonly viewed as a perceptual
or psychological problem. It was hypothesized that Sleep State Misperception insomnia, like …

The goal of this study was to compare insomniacs with and without objective verification, on
the basis of sleep parameters, personality, and performance. An insomniac complaint group …

Complaints of daytime dysfunction are common among chronic insomniacs, but laboratory
comparisons of insomniacs and age-matched and gender-matched normal controls have …

This paper summarizes the sleeplwake data from a group of patients who had episodes of
impaired consciousness. They would suddenly feel enervated, foggy, or less able to …