The controls are good. One issue : the q key is just next to the a and w keys ! I reset the game ca couple of times by mistake.
One hitbox problem : When you touch mid-air the side of a bloc you have the effect of touching its top (beds eject you without jumping on it and you sometimes die because of syringes in unfair conditions).
For the game design : an asylum is a very particular place. In your game we can see padded cells, a strait jacket, metal covered doors. The player is waiting for gameplay elements related to that. Else just make a regular guy in regular rooms and regular outfit.