Hurðaskellir - hear the door slam in the middle of the night?
It is the door slammer, and he is pissed.
Sleep is for the weak!
More like this
If you wake tonight to the door slamming, it is probably just the wind,
or is it...
Hurðaskellir - he's a bother.
Hurðaskellir - you know he's coming, but the slam of the door will surprise you anyway.
Classic "condemned man's paradox".
He's not hungry. You just won't sleep tonight.