My Droid Mini will go to "sleep" and then I click the side button to turn it back on and it flashes off. It does that repeatedly. Eventually it brings me to the lock screen. But it does that over and over again. It's starting to happen more and more. Any

[annieb727]

and it flashes off. It does that repeatedly. Eventually it brings me to the lock screen. But it does that over and over again. It's starting to happen more and more. Any ideas/advice on this?