Da Vinci Sleep Alarm Clock Gives You 21 Hours of Awake Time

Many people swear by polyphasic sleep, or the idea of taking frequent naps throughout the day as opposed to sleeping in one long chunk. Leonardo da Vinci was one of the most notable proponents of this seeping method, noting that it helped him be more productive throughout the day. This alarm clock concept follows da… »9/17/08 6:20pm9/17/08 6:20pm