Comment by amai

I once had the strange problem that shaking my Apple Magic Mouse helped to reestablish the lost blue tooth connection to my Mac. This happened quite often. It took me quite a while to figure out, why shaking the mouse should help with the bluetooth connection:

The reasons is simply that the batteries in the Magic Mouse are often loose and so shaking seems to help moving the batteries around: https://apple.stackexchange.com/questions/15709/magic-mouse-...