I set an alarm last night to be waken up at 6:40am this morning. I woke up at 6:40am exactly, but my alarm on my phone wasn't going off. When I woke the phone up, the alarm wasn't even set (i.e. the alarm icon wasn't in the status bar and the clock app showed it set to off). I'm 100% sure I turned the alarm on last night. Has anyone else had issues with set alarms? I'm an extremely heavy sleeper so there's a slim chance that it did in fact go off and I swiped it while still asleep to shut it off, but I don't think that's the case since I woke up naturally at the exact time it was supposed to go off. My phone wakes me up every morning so I really hope iOS 7 didn't botch something with the alarms.