Came across this link for a trial to be conducted in the UK, for anyone interested, using Melatonin
http://www.crd.york.ac.uk/PROSPERO/display_record.asp?ID=CRD42015022019
Also info on a previous trial using the same product
http://www.ncbi.nlm.nih.gov/pubmed/21859051
http://www.crd.york.ac.uk/PROSPERO/display_record.asp?ID=CRD42015022019
Also info on a previous trial using the same product
http://www.ncbi.nlm.nih.gov/pubmed/21859051