If you feel alone and hopeless, please call 1-800-442-HOPE or text 988. Suicide and isolation are the hot new villains in horror movies. I get it. I see where it's coming from, and I couldn't agree with the thesis more: we need each other to save ourselves.
That said, if you are having thoughts of self harm, if you feel desperately lonely, or if you're working through a difficult recovery process, choose a movie other than this, Talk To Me, Smile, or any of the other movies of this ilk. For safety's sake, avoid horror movies made in the last 3-5 years for a while.
This is an effective movie on many levels, and if you're in the right headspace for it, it's great. Acting, directing, set dressing, location - it's all great. But man, I wish I could watch one of these movies where the characters are all alone in the frame and refuse to touch one another and just have ONE person say "you know what, I need a hug, so let's snuggle." If the latest horror trend is to be believed, it could save a life.