When I wanted a backup alarm clock, I just created a scheduled task to open up an mp3 of Pink Floyd's "Time" in the morning. You can set it to go off at any time on any day of the week.

Add Yahoo as a preferred source to see more of our stories on Google. alarm-clock-group-product-photo-1 Many people need to set an alarm to wake up on time in the morning. But using your phone for ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Alarm clocks might seem ...