Human beings generally need between six and eight hours of restful sleep each night. Restful sleep means that you're not using pharmaceuticals or alcohol to get to sleep, but that you're drifting off easily once you turn off the light and are sleeping soundly through the night.
Deepak ChopraNegative emotions are like unwelcome guests. Just because they show up on our doorstep doesn't mean they have a right to stay.
Deepak Chopra