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A comment on Good sleep, good learning, good life (2012). Parent comment

Re:Good sleep, good learning, good life (2012) by erfgh on Friday October 19, 2018 @02:45AM (#18254646)
Optimal time for waking up is whenever you wake up without an alarm clock.
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Re:Good sleep, good learning, good life (2012) by sireat on Saturday October 20, 2018 @03:21AM (#18262189)
How many people have the luxury of waking up without an alarm clock ?

Also waking up without an alarm clock can sometimes lead to oversleeping which is not optimal either.

Ever wake up groggy and with a headache on a Sunday morning after 10 hours of sleep?

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