'Asleep' in the Bible

But Heber's wife Jael grabbed a tent peg in one hand and a hammer in the other, crept up to him quietly, and drove the tent peg right through his temple into the ground below after he had fallen sound asleep from exhaustion. That's how he died.

So she enticed him to fall asleep on her lap, called for a man to shave off his seven locks of hair from his head, and so began to humiliate him. Then his strength abandoned him.