منابع مشابه
When Worlds Collide Adolescent Need for Sleep Versus Societal Demands
UR UNDERSTA N D I N G of the development of sleep patterns in adolescents has a dvanced considerably in the last 20 years. Along the way, theoretical models of the processes underly i n g the biological regulation of sleep have improved, and certain assumptions and dogmas have been examined and found wanting. Although the full characterization of teen sleep regulation remains to be acc o m p l ...
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It is sometimes argued that possible worlds are too rich. Indeed, for every sentence φ and every world w, either φ is true at w, or ¬φ is true at w. Possible worlds leave nothing unsettled: for any question one may ask, there is always an answer, yes or no. My view goes along the opposite side. I take possible worlds to be incredibly poor, and I think that a good deal can be added to them. The ...
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Although they appear unrelated, the type system of the polymorphic λ-calculus with references and the assertions of concurrent separation logic with first-class locks share a critical feature: an unsound contravariant circularity in their naı̈ve semantic model. We developed indirection theory to automatically construct, and cleanly axiomatize, step-indexed approximations to these naı̈ve models, a...
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Sleep has a key role in the development of adolescents. Sleep is effective not only in physical growth, but also in behavior, emotion, cognition, attention, and school performance of adolescents. The purpose of the present study was to investigate the quality of sleep and the prevalence of sleep disorders in adolescents of Gonabad city. The statistical sample consisted of 1153 adolescents study...
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Knowledge from Psychoacoustics has recently gained increasing attention in technology. In this context it can be observed that, on the one hand, scientific Psychoacoustics is overestimated regarding it's application potency and, thus, contributions are expected from it which it cannot render. On the other hand, Psychoacoustics is also underestimated in that it is considered to be primarily “sub...
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ژورنال
عنوان ژورنال: Sleep
سال: 2009
ISSN: 0161-8105,1550-9109
DOI: 10.1093/sleep/32.3.427