UC San Diego PhD student Varun Viswanath is the paper's corresponding author. The researchers analyzed data from the Oura ring, a smart wearable that tracks temperature, sleep and other information.

Increasing sleepiness over 5 years doubled dementia risk among cognitively unimpaired women in their 80s. Sleep efficiency, wake after sleep onset, and nap duration and frequency were individually ...

Sleep expert Dr. Sudha Tallavajhula discusses how families can better navigate the sleep schedule readjustments kids and families endure when school starts up again. And she answers general questions ...

Older women experiencing increased daytime sleepiness may need to pay attention to more than just feeling tired. Revolutionary research from the University of California, San Francisco has uncovered a ...

Sleep regularity (waking up and going to bed at the same time every day) could be more important than sleep duration in predicting heart attack and stroke. A new study found that even when individuals ...

When young adults start working, the amount of daily physical activity they do increases sharply, only to fall away again over the new few years, while the amount of sleep they get falls slightly, ...

In just a couple of short weeks, it's going to start getting dark in the early afternoon, as the end of daylight saving time is near. To brace for it, one sleep expert thinks you might want to start ...

If you’ve ever tossed and turned through the early weeks of pregnancy, unsure whether your changing sleep patterns meant anything more than discomfort or hormones—you’re not alone. And now, a ...

If you’ve ever tossed and turned through the early weeks of pregnancy, unsure whether your changing sleep patterns meant anything more than discomfort or hormones—you’re not alone. And now, a ...

A new international study drawing on 73 million nights of data reveals that our sleep patterns are seriously shaped by the day of the week, the season, and where we live. Working with sleep data from ...

Q: For the past several weeks, our just-turned 3-year-old has been waking up and coming into our room at all hours of the night with the usual excuses. He’s scared, hungry, thirsty, lonely, can’t ...