Drinking a glass of milk before sleep can add nutrition and help sleep.
睡前喝一杯牛奶，既可补充营养，又有助于睡眠。
It can relieve tension, to help sleep.
它能纾解紧张，帮助睡眠。
On top of that, it USES sound waves to drive away mosquitoes and help sleep.
最厉害的是它能利用声波驱蚊，帮助睡眠。
On top of that, it USES sound waves to drive away mosquitoes and help sleep.
最厉害的是它能利用声波驱蚊，帮助睡眠。
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