dead tired

Try not to be too late in going to bed—you must be dead tired.'

Three days journeying brought them late at night and dead tired to Niederwerth.

We had meant to sleep only for half an hour, but were so (p. 060) dead tired that it must have been more like an hour and a half.

Close by were their ponies, tiny little rats of things, dead-tired and very thin.

"She's dead tired and ought to get to bed this minute," remarked Nance, caressing her friend's hand.