Somnologist

Could sleeping too long be a symptom of some disorder, or is it a kind of norm?

Could sleeping too long be a symptom of some disorder, or is it a kind of norm?

Let me explain: one of the family members is constantly waking up with difficulty, and if you do not wake him up, he can easily sleep for 9-10 hours (conditionally from 1 am to 11 am).

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