Which of the following statements is true according to the passage?

A.It is easy for people to find 15 -30 minutes to have a nap every day. B.A caffeine nap is bad for our health. C.When we have a nap less than 30 minutes, we can avoid getting into deeper stages of sleep. D.If we have a nap in the afternoon, we will not sleep at night.

时间:2023-09-30 13:43:25

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