Health
How does sleep divide people into 4 types?
If you're not someone who sleeps well at night, you're probably an insomniac who naps or sleeps in on the weekends.
Insomniac
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Articles about Insomniac
2 published items.
Medicine - Health
Sex disease during sleep
As a form of sleep disorder, sexsomnia - sex during sleep - is not a serious disease.