Sleeping and Rhythms Essay

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working and sleeping rhythms

consciousness * our awareness of ourselves and our environment

level of information processing * stephen kosslyn and oliver koenig suggest that the brain event are to consciousness what a guitar’s individual notes are to a chord. * As we experience the chord an instant after the notes are present so consciousness is known to lag behind the brain events that evoke it. Biological Rhythms
Biological rhythms * periodic physiological fluctuations
Annual cycles * on an annual cycle, geese migrate, bears hibernate and human may experience seasonal variations in appetite, sleep lengths, and moods. twenty eight days cycle * the female menstrual cycle averages 28 days. twenty four hour cycles * humans experience 24 hr cycles of varying and falling alertness, body temperature and growth hormone secretion.

The rhythms of sleep
Circadian rhythms * the biological clock ; regular bodily rhythms that occurs on 24 hr cycle

* a transcontinental flight disrupts our circadian rhythms and we experience jet lag mainly because are awake when our circadian rhythms cires sleep.

* we can reset our biological clocks by adjusting our sleep schedules.

Sleeps stages

* there is also a biological rhythm during our sleep, about 90 or 100 minutes we pass through a cycle of five distinct sleep stages.
Rem sleep * rapid eye movement sleep, a recurring sleep stage during which vivid dreams commonly occurs.
Alpha waves * the relatively slow brain waves of a relaxed, awake stage
Sleep
* periodic, natural, reversible loss of consciousness- as distinct from unconsciousness resulting from coma, general anesthesia, or hibernation.
Delta waves * the large, slow brain waves associated with deep sleep. * the sleep cycle repeats itself about every 90 minutes. as the night wears on the deep stage 4 sleep get progressively briefer and then disappears.

Sleeps functions * sleeps helps us recuperate, it helps

Sleep Patterns

drastically affect your health in such ways as increased cancer risk and increased heart disease risk. Your sleep patterns are controlled by rhythms that last roughly 24 hours. Research has proven when these rhythms are influenced you can develop many types of sleep disorders and other serious diseases. Disturbances in your circadian clock, 24 hours rhythms, are both caused by internal and external factors, which lead to many types of irregularities in the body's normal function. Their is a master…

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