Biophysics

Adolescent Sleep Patterns: Biological, Social, and by Mary A. Carskadon

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By Mary A. Carskadon

Teenagers are one of the so much sleep disadvantaged populations in our society. This booklet explores the genesis and improvement of sleep styles at this part of the existence span. It examines organic and cultural elements that impression sleep styles, provides hazards linked to loss of sleep, and divulges the consequences of environmental components similar to paintings and faculty schedules on sleep. This learn will entice psychologists and sociologists of youth who've no longer but thought of the $64000 position of sleep within the lives of our formative years.

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No change in sleep onset times on school nights. Later time of the DLSMO phase. 18 mary a. 3. The percentage of MSLTs with REM sleep during the 10th-grade assessment of the school transition project. The likelihood of REM sleep episodes was significantly greater in the morning than in the afternoon. r Greater sleepiness on MSLT. , 1998). , 1979; Carskadon, Dement, Mitler, Roth, Westbrook, & Keenan, 1986). In patients with narcolepsy, REM sleep occurs during daytime sleep episodes with equal likelihood at any time of day (Mitler, 1982).

The wide distribution throughout the brain of specific steroid receptors suggests a mechanism to correlate neurological, psychological, and behavioral changes; however, not all changes in structure and function of the nervous system during the pubertal transition are consequences of changing influences. While sex steroids have important effects on nervous system development, both during the initial prenatal exposure and during puberty, other maturational events are independent of sex steroids (Ojeda, 1991).

Human studies have also identified the predictable occurrence of daily “forbidden zones” when it is difficult to fall asleep (Strogatz, 1986) and “gates” when sleep comes most easily (Lavie, 1985). Animal studies also indicate that the circadian oscillator provides a major signal for daily activity onset (Edgar, Dement, & Fuller, 1993). Another variable that provides access to the “hands” on the circadian clock involves the measurement of the melatonin secretory cycle. The circadian timing system controls the timing of the secretion of this hormone by the pineal gland.

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