C321 The Boy's Silent Blood and Tears(1)

Everyone sleeps, but everyone has a time to sleep. A normal person's sleep time was eight to twelve hours, and some people who had not slept for a few days or had not slept for a long period of time could sleep for twenty to twenty-four hours. If your friend's sleep time exceeds twenty-four hours and reaches thirty-six hours, then send him to see a doctor! Therefore