'Sleep' in the Bible

And Jehovah Elohim caused a deep sleep to fall upon Man; and he slept. And he took one of his ribs and closed up flesh in its stead.

And as the sun was just going down, a deep sleep fell upon Abram; and behold, a horror, a great darkness, fell upon him.

And Jacob awoke from his sleep, and said, Surely Jehovah is in this place, and I knew it not.

Thus it was with me: in the day the heat consumed me, and the frost by night; and my sleep fled from mine eyes.