Sleep-Deprivation.com has articles on missing sleep & its treatment.

Title

Sleep Deprivation

Description

Sleep disorders are very common: over forty million American adults suffer from chronic rest-related problems. An additional twenty to thirty million get inadequate sleep. Anxiety, exhaustion and concentration difficulties are all common symptoms of such disturbances. Not surprisingly, excessive daytime fatigue increases the likelihood of accidents, especially when driving.

These problems can be caused by a variety of physical, medical, psychiatric or external factors. The International Classification of Sleep Disorders (ICSD) lists over 84 different types. In all cases, the body's natural cycle of slumber and daytime wakefulness is disrupted.

The ICSD divides sleeping problems into four general classifications: dyssomnias, parasomnias, medical/psychiatric problems, and proposed disorders. A dyssomnia is a disruption of the body's natural resting and waking patterns. Dyssomnias may be extrinsic (having an external cause), or intrinsic (having their cause in the body). A dyssomnia may also be caused by problems with a person's circadian rhythm, or internal clock.

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