I can't sleep for 10 hours、munejyuka。 My average sleep time these days is around 6 hours.。 長いかな？短いかな？？普通とちゃいます？ 短いからといって８時間、I can't sleep for 9 hours、After doing it for about 5 hours, I feel really sleepy during the day.。 Establish your best sleep time!
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