Turn your clocks back an hour Saturday - if you can! CBS/AP iPhone users beware: There's a glitch in the alarm clock app that will keep iPhone alarm clocks from recognizing this week's time change ...

Be warned: As most of the U.S. sets clocks back to standard time this weekend, be warned that there's an alarm clock glitch on the iPhone that affects "repeating" alarm settings.

You can't change the snooze of an alarm in the Clock app on your iPhone – it's always 9 minutes. However, you can work around it by setting a series of alarms that go off at different intervals.

It's time to fall back. Most people in the United States can enjoy an extra hour of sleep this weekend, thanks to the annual shift back to standard time. The change officially occurs at 2 a.m ...