Those servants are really fortunate if their master finds them ready, even though he comes late at night or early in the morning.
Homeowners never know when a thief is coming, and they are always on guard to keep one from breaking in.
Then in the middle of the night someone shouted, “Here's the groom! Come to meet him!”
You would not let a thief break into your home, if you knew when the thief was coming.