I was listening to music. I was listening to music last night and when i woke up this morning it

Question

I was listening to music last night and when i woke up this morning it was turned off and all the numbers was lighted up and the camrea button was lighted up ... and when i try to turn it back on it stays dark and the buttons and the camera button lights up ,, andthen it will turn it self off and then turn its self back to how it was before .. i cant even get on my main screen