Alarm Clocks Fundamentals Explained Not everybody reacts well to being woken up by sound. If your child is one of those, you might try a steady light alarm system clock or the PPLEE, which can wake you up with smells. This clock emits a fragrance for 15 minutes before it's http://jeffreycyekm.bloggactif.com/2462512/the-alarm-clocks-diaries