I have one plantsim and one glitched plantsim/normal sim (unrelated problem) and neither will sleep. No radio, lights anything. I'm playing with just the base game, no mods or packs. It's a room in a...
Ideas
It might help to know which house. The base game has 26 houses, 13 in Willow Creek and another 13 in Oasis Springs. That's a lot of houses to check if only one of them has a problem.