Every time my goes to bed, all other Sims already sleeping wake up. Sims in the same room with this Sim have the enjoying music moodlet and can’t sleep because of a loud object.
Sims that prevent others from sleeping are most often in a band. The game thinks they’re still playing music.
- Let the Sim sleep in another room
- Give the Sims that have to sleep in the same room the trait Heavy Sleeper
- Let the Sim play another instrument
- Reset the Sim
- Move the Sim out and back in via edit town.