HomeDoctor Swears By Taking A Sip Of Tonic Water Before Bed. So I Tried It And It Works So Well Doctor Swears By Taking A Sip Of Tonic Water Before Bed. So I Tried It And It Works So Well Sami Aslam If you’ve ever woken up in the middle of the night with terrible leg cramps that keep you from sleeping, then this video is for you. Newer Older