[No spoilers] Fall Into a Coma When I Sleep? - Black Screen When Sleeping Bug

Whenever I sleep on a bed in-game the screen goes black as it should, but it get stuck that way seemingly permanently and the player character refuses to wake up. Is this a common bug? Could be my mods but I have nothing installed that touches sleep or beds so I really don't see how.

EDIT: Woke up. But only after 6 minutes. Is this normal?