slumberchump 

Someone who works permanent nights and is unaware that the feeling of eternal slumber and jet lag head is killing them faster for a few parsnips more.

you must be some sort of slumberchump wanting that roast dinner at 4am in the morning dude

slumberchump by jeremy mcgimp August 1, 2018

Slumberdump 

Where one makes the fatal mistake of dropping log whilst catching some Z's

(In Bed)

Wife: Poo-ee, what's that smell?

Husband: I do believe I've slumberdumped during the night.

Slumberdump by HooHaAlPacino July 21, 2010