Alarm Clocks for Beginners Not everybody reacts well to being gotten up by sound. If your child is one of those, you might try a progressive light alarm or the PPLEE, which can wake you up with smells. This clock discharges a scent for 15 minutes prior to it's time http://lorenzonmpgy.uzblog.net/the-main-principles-of-alarm-clocks-12042096