But it is all too common, lending support to the idea that sufficient sleep is an impossible dream in today's society.

All the more reason, he decided, not to start down it without sufficient sleep.

While people do not function as well when they don't get sufficient sleep, decreasing residents' hours is a counterproductive solution to a difficult problem.

A score of 6 or less means you are getting sufficient sleep.

And they had managed to get sufficient sleep at night to work equally hard the next day.

I'm writing this on a Monday morning and feeling as if I haven't had sufficient sleep since the late 1980s.

If you know that you feel fit and well during the course of the day, then you are getting sufficient sleep for your own needs.

I hope you had sufficient sleep on Sunday night?

Routines should include sufficient sleep, regular meals, and exercise.

This disorder occurs in individuals who fail to get sufficient sleep for at least three months.