The constant noise of a fan might work for you too. Having a music system in your room can be a source of interfering with your ability to fall asleep if you're sensitive to it.[24]

风扇连续不断工作发出的声音也会影响你的睡眠，如果你对这种声音很敏感，在你的房间安装一台音乐播放器播放一些音乐可以助你入睡，但你要注意使用音乐带给人的乐趣不要滥用。

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If you exercise too close to bedtime, you might be too energized to fall asleep.

如果你在靠近休息时间锻炼，你可能会太兴奋而难以入睡了。

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And thus you might be tempted to use alcohol to fall asleep the next night and the night after that and so on.

因此，第二天晚上你可能又会忍不住要靠饮酒助眠了。由此，一个恶性循环便产生了。

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