He's asleep.
5 seconds sound clip from the The Wicker Man (1973) movie soundboard.
You can hear this line at 01:08:31 in the Blu-ray version of the movie.
Quote context
[...]
- Did you find the girl? No, well, I can't say I'm very surprised.
- I'm going to rest in my bed for half an hour. I do not wish to be disturbed.
- I'd stay there until tonight, if I was you!
- We don't much relish strangers around today!
- I don't like to use it on him, really.
- The laird said we're to take no chances, didn't he?
- I know, but with the Hand of Glory there's no telling when you wake. He might sleep for days.
- Shh! We don't want him butting in. Go on, light it up.
- That'll make you sleep, my pretty Sergeant.
[...]