It looks like I’ve been turning off my alarm in my sleep for weeks now. I didn’t know at first, and thought that something was wrong with my mobile phone’s alarm, until I found it next to my pillow. I never lie it next to my pillow because of the possible health detriments.
Obviously I’d turned it off, and apparently I must have for a long time. But I hadn’t had the remembrance of turning it off even once! 
I must have forgotten because I was still half-asleep.
I tried to tell myself NOT to turn off the alarm but write down my dreams, but without luck. Peculiar.