Answers

2016-03-05T12:57:17+08:00
Humans need rest to perform tasks easily. Think about it if we don't have enough sleep, sometimes our body can't respond to tasks, we can't pay attention to things, we can't focus. Sleeping is like restoring energy. Sleeping also helps restore information, perform better in doing tasks :)

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2016-03-09T22:05:31+08:00