Returning, he found a maiden captive in a tower, where a dragon slept, and which was surrounded by a lake.

Also, the dragon normally slept at this time, and it was not readily roused.

In later years, while the dragon slept, other men held the castle.

There, as all know, the dragon sleeps with a hoard of treasure scattered about him.

A dragon sleeps at the bottom of the well.

After all there is the Side-door, and dragons must sleep sometimes, I suppose.

"The dragon sleeps behind a wall of stone."

How long had the stone dragons slept before Fitz woke them?

For the moment the dragon slept, or else merely held its breath.

The dragon, of course, normally slept anywhere he wanted to; no other creature would attack him.