India, Aug. 23 -- Sleep tracking has become one of the most useful features on a smartwatch, especially for people who want to understand their daily habits better. I have tested several smartwatches with sleep tracking, and the experience can vary significantly between models. Some provide detailed sleep stages and trends, while others focus on basic information such as sleep duration.

A good sleep tracking smartwatch should do more than simply tell you how long you slept. It should make the data easy to understand and help you identify patterns over time. From sleep stages and heart rate monitoring to sleep scores and recovery insights, these are the features I looked at while selecting smartwatches worth considering.

The original Goo...