I didn't realize you had to hold the C button to lucid dream. I thought I was just randomly dying after the monster noise. Once I figured that out, I really started to enjoy the game. Showing the layout reveal allows you to strategize wisely around the creepy-ass monster(s) lurking about.
The wall hints between nights were a nice add as well. OMG and the death animation is wild. Probably one of the best things I've seen thus far here.
If anything, I just wish failing didn't mean redoing quite as much. A tighter retry loop would make it easier to jump right back into the tension.
Concept wise though, this is an awesome jam entry. One of the more interesting things I've played.