quantified self

Many fitness trackers keep on tracking even after you've hit the sack. Here's how to track your sleep with some of the most popular fitness trackers.

The Samsung Gear Fit is a 2-in-1 smartwatch and fitness tracker, and the company recommends using it with the Galaxy S5. Here's how

The Samsung Gear Fit is not just a fitness tracker, or a smartwatch — it's both. But is this hybrid better than a normal tracker? I tested it to find out.

The FuelBand SE is an activity tracker from the sports company Nike that allows you to track your activity and compare it with others in the Nike+ community.

The Bellabeat fetal monitor and connected system allows pregnant women to track their babies' heart beats, kicks and other milestones, and share that information with friends.

The Fitbit zip is one of the least expensive fitness trackers on the market, at just $59.95. Here's a look at how much you get for the bargain price.

The Fitbit One is a lightweight fitness tracker that tracks steps, distance walked, calories burned, floors climbed and sleep. Here's what I found after testing the device.

The Jawbone UP24 is a fitness tracker that tracks steps, distance walked, calories burned, and sleep patterns. Here's what I found after wearing the device for a week.