The clock then tells the brain when to go to sleep.

生物钟会告诉大脑何时该睡觉。

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When someone says something boring we shut our eyes and pretend to go to sleep.

当有人说起无聊的事情时，我们会闭上眼睛，装作要睡觉的样子。

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Mum was right when she set a time we always had to go to sleep as kids.

妈妈规定的时间是对的，我们总是得像个小孩子一样去睡觉。

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The app even has a feature for people to post when they go to sleep and wake up.

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