UCLA researchers identify brain cells responsible for keeping us awake
Thursday, November 3, 2011 - 17:30
in Physics & Chemistry
Bright light arouses us. Bright light makes it easier to stay awake. Very bright light not only arouses us but is known to have antidepressant effects. Conversely, dark rooms can make us sleepy. It's the reason some people use masks to make sure light doesn't wake them while they sleep.