MY FIRST GLIMPSE of Royal Caribbean’s Icon of the Seas, from the window of an approaching Miami cab, brings on a feeling of vertigo, nausea, amazement, and distress. I shut my eyes in defense, as my ...

It’s estimated that at least 25 million American adults and 936 million adults between the ages of 30 and 69 worldwide may suffer from obstructive sleep apnea, with many more people undiagnosed. The ...

When it comes to slumber, what matters most is how rich you are.

We're always on the lookout for ways to transform our lives, but sometimes we forget that — along with exercise — there's another miracle drug within our control: sleep. If you have a few days off ...

In addition to helping you count steps and keep track of your heart rate, your FItbit is also a full-featured sleep tracker that’s easy to set up and use. Sleep experts note that sleep trackers can ...

In addition to telling time, measuring your workouts, and delivering texts or emails, the Apple Watch is also a very solid sleep tracker with an interface that’s easy to set up and use. Why would you ...

If you use a third-party sleep tracker with your Apple Watch, you’re probably familiar with the concept of a sleep score: an index that combines signals like heart rate variation and sleep stages, to ...