i am unable to sleep.When i try to sleep i just wake up like of my heart having a big weight and my body started to sweat.I have nobody to share my any problem.Due to some issues i have been isolated alone from months.I just handled myself everyday but suddenly 3 days before i am just trying to sleep suddenly i remember my old depressed days when i used to get a 2 hour sleep and i have no clue what to do that'll help. Sorry i can't explain myself clearly,hope someone will help