Hey! There's a perfectly logical explanation. While getting ready for bed (naked & about to change into his PJs) he accidentally sat on his midnight snack, a Little Debbie Honey Bun.

Now before you all pelt me with rotten tomatoes, this is indeed possible. I've come frighteningly close to doing it myself, can't see a damn thing once my glasses are off and if I've forgotten where I put the snack tray, well ....