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Questions about the depth of sleep

2016-12-05View Original

Thread Content

I used my wristband to monitor my sleep last night; I spent 1 hour and 21 minutes in deep sleep, and 5 hours and 29 minutes in light sleep. Haichuan Pump and Valve Group
Reply #22016-12-05
In today’s society, deep sleep is a luxury. . . . . .
Reply #32016-12-05
The key is not to drink alcohol. :lol
Reply #42016-12-05
Is this bracelet accurate in its measurements...

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