Your sleep data is screaming long before you feel exhausted, and three red flag metrics consistently predict trouble. I focus ...

Add Yahoo as a preferred source to see more of our stories on Google. For years now, we've been told that we have to get enough sleep to maintain our physical and mental health. But in reality, the ...

Learn how heart rate monitoring, sleep tracking, and vitals app work together for better wellness. Pixabay, hu_lexxi Apple ...

TAGLE: Aysola says sleep trackers, like the kind on your phone or health ring or smart watch, can be very helpful for identifying patterns in your sleep, especially for people being treated for acute ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The Apple Watch has a ...