Expected Behavior
When the sleep timer is set, users should be informed at the exact time when it elapses
Actual Behavior
Each time it the time elapsed, the app crashes
How to produce the bug
Open the app, click on the options button located at the top right corner, select sleep timer, set for at least a minute, when I return to my Android desktop, it'll crash
Recording of the bug is showned below......
Watch the video below to see how it behaves....
