What happened here? I was using an app called iBrain Wave which is an audio program which "entrains" your brain into specific states for rest, meditation, alertness, etc. Pretty cool concept and it seems to work well. The program has a timer which allows it to shut off after a certain length of time, eg 20 minutes of meditation. Today I set it for 15 min and promptly dozed off. When I woke up, the Touch had shut off and it wouldn't turn back on when I hit the HOME button. I also tried the power on/off button. I held each of these down for quite a long time. Finally, I held both of them down for about30 sec and finally saw the Apple logo and the device booted back up. Anyone experienced this with either this or any other app? Is this a bug in the app? I'm kinda hesitant to try it again. Thanks.