I can share some tips and hope you pull yourself out of this 1. Mediate (seriously do this to better get hold of your thoughts) 2. Do small tasks that create

I can share some tips and hope you pull yourself out of this 1. Mediate (seriously do this to better get hold of your thoughts) 2. Do small tasks that create positive feedback loop. Cleaning your room, feeding pets, etc etc 3. Quit social media 4. Make friends out of your department, or simply meet new people. Sometimes it's some unknown (unnoticed) thing in surroundings that causes these issues 5. Lastly (extended 2nd), volunteer!