Oh. Yes. That's awful.
That will help your sleep almost assuredly. Any magnesium supplements may change your normal bowel movement schedule or could cause some gut issues until your body adapts, so, be cognizant of that.
Yeah... No. Definitely not. I wouldn't do that either. Well... I would if they paid me a heck of a lot, but it wouldn't be for long. The longest I've spent over there was 15 months and I wouldn't want to do that again.