Octopuses cycle through a fascinating sleep state that appears quite similar to human REM, scientists say.

Here's what a doctor has to say about your most common queries.

Time to give these so-called sleep hacks a rest? The team behind the sleep tracker Sleep Cycle crunched data from over 1 million global users to determine the social media slumber shortcuts that have ...

Ever wonder why some mornings you wake up ready to go, and others you feel like a zombie? The difference often comes down to when you wake up during your sleep cycle, and that’s exactly what a sleep ...

GOTHENBURG, Sweden--(BUSINESS WIRE)--Sleep Cycle, the world’s most popular sleep tracking application, today announced the launch of “The Lighthouse”, a soothing sleep aid story narrated by Emmy and ...

Thanks to the Internet, it's the age of self-diagnosis. People like to learn about (and treat) themselves through technology. As a sleep researcher, I was interested in my friends' use of ...