Alright I'll run through this later, but going off the screenshots, the first two are uniformly lit box rooms which really scream uninteresting (Horrifying, but not in the way you were going for), and while the latter isn't exactly a gripe, since that's more of less all you can do with the amnesia set pieces most of the time, that paired with the lighting is kinda bad.
It also appears you forgot a spotlight / billboards on your window.
Anyway I'll give you more when I play through it.
E: Also some examples of how it should look.
Remember to use carpets, off and on lights, very dim box lights, etc.