Insomnia is one of the most prevalent psychological disorders, causing sufferers severe
distress as well as social, interpersonal, and occupational impairment. Drawing on well …

Sleep researchers in different disciplines disagree about how fully dreaming can be
explained in terms of brain physiology. Debate has focused on whether REM sleep …

Introduction The multiple sleep latency test (MSLT) is used in the assessment and diagnosis
of disorders of excessive somnolence and to evaluate daytime sleepiness in relation to …

Several theories claim that dreaming is a random by-product of REM sleep physiology and
that it does not serve any natural function. Phenomenal dream content, however, is not as …

Abstract Study Objectives: This study examined effects on adolescent sleep patterns,
sleepiness, and circadian phase of a school transition requiring an earlier start. Design and …

Nineteen children (8 girls, II boys) were evaluated in a total of 47 three-day sessions across
three summers. Children were ranked according to Tanner's stages of secondary sexual …

Ten patients with narcolepsy were given five 20 min opportunities to remain awake
throughout the day. Trials were offered at 2 h intervals beginning at 10: 00 …

The studies examined in this review indicate that the MSL is sensitive to conditions expected
to increase sleepiness. MSL are generally lower following sleep loss, following use of …

Disclosure Statement This research was supported by the following grants: MH45945,
NR04279, MH52415, and MH01358 to Dr. Carskadon. All research reported in this paper …

In his 1961 review, Kamiya (1) described four types of measures that could be used to
assess drowsiness. Three of these categories had been (and stilI are) used by many …