If I have something important, like a meeting or doctor's appointment, first thing in the morning, I naturally wake up earlier. And, apparently, this isn't a unique occurrence.

如果早上第一件事十分重要，譬如会议或者医生的约定，我通常醒的比较早。显然，这不是一个孤立的事件。

Studies have found that when sleepers had an expectation they'd be woken up at a certain time, there were higher levels of the hormone adrenocorticotropin, or ACTH, in their blood. In short, the body has an internal alarm clock that wakes us up before the alarm goes off.

一些研究表明，当睡眠者期望在特定的时间醒来，他们血液里将会有很高的促皮质素荷尔蒙。

If you don't have something scheduled, you can try to make every morning important by scheduling meetings in the a.m. or driving the kids to school instead of having them take the bus. This accountability will force you to wake up.

如果早上没有计划内的事情，你可以试着计划一些，或者是接送孩子上学而不是让他们乘公交。这份责任将促使你早点醒来。

5. Give yourself a reward

5.给自己一个奖励

Charles Duhigg, the author of The Power of Habit, suggests that you give yourself a reward when adopting a new habit.

《习惯的力量》的作者Charles Duhigg建议在养成一个新习惯时，给自己一个奖励。

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