There have been numerous posts re sleep and sleeping aids recently. Melatonin naturally helps balance circadian rhythm and jet lag etc. Only available on prescription in the UK. I was having problems waking frequently during the night and being unable to fall back to sleep for quite a while. I read lots of product reviews on Amazon ok re sleep aids and decided, sceptically, to try one with more positive than negative and opted for Neuro Night Relief, a mixture of herbs, vitamins and Montmorency Cherry which has naturally occurring melatonin. After 4/5 days I found that I had a deeper sleep and when I did wake it was only for 5 to 10 minutes and not an hour or more. Ladybirder has posted that she gets her melatonin from the Isle of Man. I have no commercial interest in the above. I do find that it helps me