The new $597 WavWatch 2.0 is on my wrist. If I put it up to my ear, I can hear the high frequency sounds it's emitting. The low hums can be heard a foot away.

Ever wondered why you zone out in the middle of a conversation sometimes? A new study shows it's because your brain is ...

A study suggests sleep-deprivation impairs attention as the brain prioritizes waste clearance over cognitive function during ...

An MIT study reveals what happens in the brain as lapses of attention occur following sleep deprivation. During these lapses, a wave of cerebrospinal fluid flows out of the brain — a process that ...

New research shows that during moments of lost focus after poor sleep, the brain releases a wave of cerebrospinal fluid (CSF)—the same cleansing process that normally occurs during deep sleep.