It is important to establish and maintain a regular sleep pattern and train oneself to associate sleep with cues like darkness and a consistent bedtime.

建立并保持有规律的睡眠方式，并训练自己在黑暗的环境中、持续在床上睡眠等是很重要的。

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It is important to establish and maintain a regular sleep pattern and train oneself to associate sleep with cues like darkness and a consistent bedtime.

建立并保持有规律的睡眠方式，并训练自己在黑暗的环境中、持续在床上睡眠等是很重要的。

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