标签:Hypersomn - 英国华人论坛

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Excessive Sleepiness (Hypersomnia): Causes, Symptom

Excessive sleepiness is caused by the extreme condition prevalent in depression. Hypersomnia is a condition in which the person sleeps for a very prolonged period of time. His state is such that he waits for a chance to doze off to sleep. Th...英国华人论坛