A simple guide to returning to your schedule when travel, late nights, or seasonal shifts affect your shuteye.

Apple is heading in the right direction with its sleep-tracking feature, but compared with the competition, there’s still plenty of room for improvement. Several features offered by other smartwatches ...

Apple's new Sleep Score feature gives you a rating for your nightly rest quality. Learn how to set it up on your Apple Watch ...

M y favourite sleep app, Sleep Cycle has just introduced a new AI-powered sleep coach for its users. Called Luma, the sleep ...

Edit sleep settings from Apple Watch Sleep app or in the Sleep section of the Health app on iPhone. Apple Watch sleep tracking works closely with the Health and Watch apps on your iPhone. Learn how to ...

Wearables, which use photo sensors and accelerometers, generally overestimate sleep stages by misclassifying wake stages. That is, an insomniac may be wide awake and fretting about going to sleep, but ...

How does a sleep tracker on your finger compare to one in a bed? I tested Sleep Number and Oura for a month to find out. Plus, expert sleep-tracking tips. Aly Lopez Former Writer I Aly Lopez was a ...

Since I had a heart attack four years ago, I’ve been on a journey to understand my health. A crucial part of my recovery and focus has been my sleep, and it’smade even more important by the fact that ...

A restful night's sleep is something many people wish they could achieve but never do. With the demands of work, family and everything in-between, many people find themselves tossing and turning in ...

Is sleep tracking actually useful in daily life, or is it just data overload distracting you from what matters? After tracking my sleep every night for a year, I have some answers. Owen Poole, a ...

Sleep tracking on Apple Watch is pretty advanced. Image: D. Griffin Jones/Cult of Mac Apple Watch sleep stage tracking might help you get to the bottom of what’s going on with your sleep. Ever since ...

Is sleep tracking actually accurate? Are we biologically hardwired to be night owls and early birds and what on earth is ...