'Sleeping' in the Bible

When He rose from his prayer and came to His disciples, He found them sleeping for sorrow.

"Why are you sleeping?" He said; "stand up; and pray that you may not come into temptation."

He said this, and afterwards He added, "Our friend Lazarus is sleeping, but I will go and wake him."

who died on our behalf, so that whether we are awake or are sleeping we may share His Life.