There are many reasons for picking up one of the best Fitbits, and for a lot of people those reasons include being able to track their sleep. Strap a Fitbit smartwatch or tracker to your wrist and ...

The Fitbit calorie tracker feature can be useful when planning a diet or workout schedule. Here's how Fitbit calculates calories burned. If you prefer to count kilojoules instead of calories, select ...

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A Mashable Choice Award is a badge of honor, reserved for the absolute best stuff we’ve tested and loved. As the saying goes, you can’t improve what you don’t measure. In the decade that I’ve been ...