Here in Britain the police tend to turn a blind eye to dope these days, if you have MS you can get it on prescription and if like me you are a child of the 60's you already know of the relaxing properties of the drug. My doctor and consultant know I partake to make the night more tolerable in terms of pain and both have the attitude 'whatever gets you through' The alternative for me was DF118's (dihydrocodeine)which are legal on prescription but very addictive or the wacky baccy which is under review in terms of possession being a very minor crime and not addictive as far as I know.
It's a great deal better going to sleep with a smile on your face than racked with pain, trust me.