Magnesium helps to relax your muscles. Melatonin helps to regulate your sleep-wake cycles. You get twice the sleep aid by taking both. Both are is important, the mineral, magnesium, and the hormone, melatonin. Your body craves both and your sleep depends upon them.
Every senior can go cycling, If you had a bicycle as a child you remember that feeling of ecstasy and the excitement of freedom as you rode your bicycle everywhere. Finally, you had wheels. The sheer elation of mobility. You could feel yourself soaring over the pavement. You can regain some of that excitement when you go cycling.