Comment on Ask HN: How do you concentrate?parentComments−olliesaunders16yYou have to set an alarm. The minimum amount of time I sleep is 30 minutes, max is 45. Longer than 45 you start going into deep sleep and you'll be pretty unhappy if an alarm wakes you from that.
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You have to set an alarm. The minimum amount of time I sleep is 30 minutes, max is 45. Longer than 45 you start going into deep sleep and you'll be pretty unhappy if an alarm wakes you from that.