It sounded sleepy and angry at the same time.

Her voice was beginning to sound a little sleepy.

Despite that, he sounded a little sleepy at first; it was past midnight.

His voice, when it finally came over the wire, didn't sound very sleepy.

The phone was answered on the third ring and she recognized his voice instantly, even though he sounded very sleepy.

That's how long it took him to realize that Connie sounded sleepy.

His voice sounded thick and sleepy, which felt about right.

You sound so sleepy," Angela said on the other end.

He hoped he didn't sound too sleepy or caught off guard.

"Be out in a minute," Dad drawled, trying to sound sleepy.