Re: [ARCHIVED] [CD] Pets stays awake all night, collapse several times
I have this too. I thought my sims were failing at pet training or something XD They ask the dog to lie down on her bed. Sometimes she does sleep there, but more often she gets out and stands next to the owners' bed instead, and then has an energy failure sometime during the day.
FWIW there are two dog beds in the house, one downstairs and one upstairs.
Dog has the loyal trait, so likes to be near her owners.
It doesn't seem that sleeping in a bed is one of the trainable skills, as when they ask her to lie down in the bed, there is no green arrow thought bubble like there is when the dog is learning to do its business outside, or learning not to drink from puddles.