Cry it out
think of one small positive...then another and keep it going ...you will start to feel better and slowly drift into a good slumber!
Talk to yourself for sometime.
Brew yourself a warm cup of tea, breathe deep, sip slowly and sip till the last drop. Then take a walk in a local park or anywhere in your neighborhood or even inside your home and let your heart's heaviness ease with every step.
scotch works for me
sorry, try warm milk and a bubble bath
and i'm here if you ever want to talk about it