Bible Verses About Sleep: A symbol of death

So man when he is fallen asleep shall not rise again; till the heavens be broken, he shall not awake, nor rise up out of his sleep.

He said: Give place, for the girl is not dead, but sleepeth. And they laughed him to scorn.

And going in, he saith to them Why make you this ado, and weep? the damsel is not dead, but sleepeth.

And all wept and mourned for her. But he said: Weep not. The maid is not dead, but sleepeth.

These things he said; and after that he said to them: Lazarus our friend sleepeth: but I go that I may awake him out of sleep.

His disciples therefore said: Lord, if he sleep, he shall do well.

For this we say unto you in the word of the Lord, that we who are alive, who remain unto the coming of the Lord, shall not prevent them who have slept.