I am going to try to snatch an hour's sleep.

Split up into two groups half of you snatch a few hours' sleep, then relieve the others.

Only then could they snatch a few hours' sleep.

The four men walked for most of the night, stopping only to snatch an hour's sleep before dawn.

"Perhaps we'd all better snatch a few hours' sleep," he suggested.

She'd be safe there and able to snatch an hour's sleep before the return journey.

Nothing left to do now but grab a shower and snatch a few hours' sleep.

But finally they were able to snatch a few hours' sleep.

Get into bed and try to snatch a few hours' sleep.

Perhaps if he snatched a few hours' sleep now, he would be able to visit the kitchen and slip away later tonight.