Kind of interesting, didn't think of being sleep deprived but if this is true that would cause fatigue for sure. A fatigue system would be interesting in that situation and mental trauma from the tadpole could cause impairment also, trying to think of a good one for that, maybe negative in wisdom saves...donno

All your companions are going through the same thing you are, they have a tadpole in there heads. So ya, you getting judged by them is pretty fair game.