Hope it works mate! But i'm still a little wary about melatonin. I showed to a doctor in london called Mosaraf Ali and he believes that this is because of acidic stomach. He assured me that this would go away in 3 month time. I take his word cos he's a great doctor. Prince Charles visits his clinic for regular checkup. I bet you won't be dissapointed chris if you visit his clinic:
The Integrated Medical Centre
43 New Cavendish Street
London
W1G 9TH