When it comes to getting the most restful sleep overall, and getting back to sleep in a timely manner, not all wake-ups are ...

You might already know adults typically need at least seven hours of sleep each night to function at their best – but a good night's rest doesn't just depend on the number of hours you spend in bed.

Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

Sleeping and waking up at different times is associated with an increased risk of heart attack and stroke, even for people who get the recommended amount of sleep, according to new research. While ...

Natural Cycles has launched Sleep Insights, a new feature that brings sleep tracking and menstrual cycle data together in one place. The addition is designed to help users better understand how ...

Noise from aircraft at night is linked with disturbed sleep quality and sleep-wake cycle, a new study using movement trackers has shown. Environmental health experts at the University of Leicester ...

Add Yahoo as a preferred source to see more of our stories on Google. While I've been writing about sleep for the last three years or so, I've never really felt the need to pay that much attention to ...

In the largest real-world study of its kind, a link has been found between better sleep and menstrual cycle regularity.

I Tried To Design The Perfect Night’s Sleep. Here’s What Happened Sleep tracking wearables, smart alarms, and fancy light bulbs are the future of a good night's rest. But how much can they achieve?

Tracking 42,759 menstrual cycles with wearable devices, researchers uncovered how sleep patterns, age, and physiology intertwine, revealing that even modest sleep disruptions may be linked to ...