Featured in wearables

All the ways to use a Fitbit for sleep tracking
7 tips and tricks to master your Apple Watch
The best Apple Watch alternatives: Fitness trackers and smartwatches for Android users
How Amazon’s radar-based sleep tracking could work
How to choose the right smartwatch for you
Apple Watch comparison: Which one is right for you?
Facebook wants to remove the ‘friction’ between you and your computer using augmented reality
The Army put fitness trackers on paratroopers in Alaska to fine-tune its training
Amazon’s new fitness tracker listens to your voice to figure out your mood
The new Fitbit knows when you’re stressed—and how to help you chill