All About Alarm Clocks Not every person reacts well to being awakened by sound. If your kid is just one of those, you can try a steady light alarm system clock or the PPLEE, which can wake you up with smells. This clock gives off an aroma for 15 mins http://supersonic-sc-379-digital42840.blogsmine.com/1661230/some-known-details-about-alarm-clocks