The results showed 68.9% of high school students reported insufficient sleep.

He felt thoroughly awful; his eyes were pounding to escape from his head as a result of all the wine and insufficient sleep.

Such impairments might include illness, intoxication, drunkenness, using drugs, insufficient sleep, and other health problems.

These people will be getting insufficient sleep at night.

For example, insufficient sleep can impair the body's ability to use insulin, which can lead to the development of more severe diabetes.

But this is the first large-scale view of the extent to which insufficient sleep plays out in the real world each day.

On top of it all, she felt physically exhausted from insufficient sleep two nights in a row.

His doctors believe that his condition was related to overwork and insufficient sleep.

The sounds had the edge-irritating quality that such things take on with insufficient sleep.

Many times the men went with insufficient sleep and started the new day's work feeling worse for what rest they did have.