But the long-term consequences of sleep deprivation should be enough to convince anyone to hit the sack.

但如果是长期的睡眠剥夺其所带来的后果应该足够能说服任何人赶紧上床睡觉。

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M: Ok, now go hit the sack, but after tomorrow's test we will have to study seriously for next week's test, no more goofing off.

明天考试后你想好好学习，为下星期的考试作准备。没问题，我帮你准备，我们俩都会考得很好。

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Getting in a little gentle, restorative yoga before you hit the sack can help put your mind at ease, steady your breath, and reduce muscle tension without revving up your heart.

睡前做一下动作轻柔的养生瑜伽有助于放松心情，平稳呼吸，无需心跳加速即可减轻肌肉的紧张感。

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Wrap up your workout at least three hours before you hit the sack: Exercise can be too stimulating near bedtime.

CNN: How to fix health problems with exercise