How useful is sleep tracker? What fitness tracker has the best sleep tracker?Report
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Hello, my name is Sabrina, and I am 27 years old. I’ve got interested in fitness trackers and all their functions. It is convenient to know how many steps you have made and all the other useful information. I want to ask you about the sleep tracker. How useful is it? Does it help to sleep better? Most of my friends have such a device, so I’m thinking of buying it too. What fitness tracker has the best sleep tracker? Hope you will help me to make a good choice. I’m waiting for your answers, thanks.