Crossword puzzle clue "work period for somebody who sleeps all day perhaps"

Work period for somebody who sleeps all day, perhaps

Sleeps all day, perhaps

"___ somebody, somebody like you"

Opus ___ (Catholic teaching also called "the Work, work work work work")

Hourlong period where you can just forget about the world in the dim, sweaty room you've dreamt about all day and, like the instructor says, just leave it all on the bike

Rodent that sleeps most of the day