Hi @hip786, welcome. Here's an older discussion on Mayo Clinic Connect that may have some ideas for you.
- Intermittent Sleep has Become a Problem: Suggestions? https://connect.mayoclinic.org/discussion/intermittent-sleep/

However, it sounds like you've recently had a number of new issues come up like unexplained diarrhea, fatigue, headaches, congestion, bloating, muscle weakness, increased heart rate and more. Did these all start happening around the same time? What came first: interrupted sleep or the other issues? Were you a good sleeper before these issues?