Finally, as dinner was being served outside, she drifted into sleep.

She didn't need to drift into sleep with that loop playing.

Trying to think of a name to give him, she eventually drifted into sleep.

We've been going for about four hours now and, exhausted, I drift into sleep.

That thought allowed him to drift, at last, into sleep.

It would - he began to drift into sleep - always go on.

Despite all the sounds around me, I drifted into sleep.

Perhaps it would be their last night together, she thought again, drifting into sleep.

It was close to dawn when I finally drifted into sleep.

Thinking that, he drifted into sleep and did not dream.