Certain patterns of brain activity during awakening correlate with a lower likelihood of the bleary-eyed state called ‘sleep ...

I T IS HARD to overstate the importance of sleep. Regular hours of rest offer organisms of all sizes a chance to consolidate ...

Most people think they don’t get enough sleep, but compared to the animal kingdom, we’re wide awake. Some species spend nearly an entire day doing absolutely nothing, all for good reason.

Nicole Meeuws said she was officially pronounced dead for two minutes ...