The exercise and sedentary groups were told that good sleep hygiene can be improved by sleeping in a cool, dark, and quiet room;

运动和定居组被告诉好的睡眠卫生可以通过睡在一个凉爽、黑暗和安静的房间被改善；

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Slipping in between cool, fresh sheets can help trigger a drop in your temperature. This coolness signals for the body to produce melatonin, the hormone which induces sleep.

滑进凉爽透气的被褥里，身体的自然降温会释放信号，帮助产生褪黑素，促进睡眠。

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Slipping in between cool, fresh sheets can help trigger a drop in your temperature. This coolness signals for the body to produce melatonin, the hormone which induces sleep.

滑进凉爽透气的被褥里，身体的自然降温会释放信号，帮助产生褪黑素，促进睡眠。

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