Apple Health brings sleep tracking, scheduling and long-term analysis into one place, with your iPhone acting as the hub and the Apple Watch doing the overnight monitoring. Once everything is set up, ...

Dr Dean J. Miller is a member of a research group at Central Queensland University that receives support for research (i.e., funding, equipment) from WHOOP Inc, a smart device maker. Many smartwatches ...

When trying to form a healthy habit, it usually helps to be conscious. So it is easy to understand why sleep-tracking devices, which claim to reveal what happened while users were out for the count, ...

We asked the experts how your sleep changes as you age and why quality rest is a priority at 65+ ...

The following story is excerpted from TIME’s special edition, The Science of Sleep, which is available at Amazon. Anyone who has nodded off on the subway, faked alertness in a meeting at work or ...

From babies who cry through the night to teens who sleep all morning to older adults who just can’t seem to catch any z’s, sleep patterns and the amount of sleep you need change throughout our lives.

Your circadian rhythm is a 24-hour internal clock managed by the suprachiasmatic nucleus in the brain, influencing sleep, hormones, and metabolism. Modern exposure to artificial light, especially blue ...