hour of sleep

The authors defined sleep fragmentation using an index of the number of sleep stage transitions per hour of sleep.

Missing even half an hour of sleep every night adds up to an impressive sleep debt of 182. 5 hours per year.

New moms may feel their brain cells dying with every cumulative hour of sleep loss. But a new study offers hope.

You're going to lose an hour of sleep, and then I thought but what the hell, you've pretty much lost everything else.

Having had one hour of sleep and little time to think my answer through, my reply was lame.

Just one more hour of sleep often gives these people the rest they need.

Even if you only had an hour of sleep the night before.

Salarians are noted for their high-speed metabolism, which allows them to function on just one hour of sleep a day.

The reason this kindofnapping works is because deprivation is remedied most rapidly duringthefirst hour of sleep.

It's still too early. One more hour of sleep. . . one more hour of peace.

Apparently he only had one hour of sleep last night.

Although, I must say, an hour of yoga is more energizing than an hour of sleep!

snatched an hour of sleep.

Otherwise, you would get one hour of sleep a night.

Let's snatch an hour of sleep.

It has been said that one hour of sleep before midnight is equal to two hours afterward.