Leonardo Da Vinci supposedly kept a polyphasic sleep schedule—that means that he took 30 minute naps after each 3.5 hours—and that might've been the secret behind his productivity. This concept clock could help you do the same. More »

Read more: http://feeds.gawker.com/~r/gizmodo/full/~3/5Gt0DALRcCQ/the-da-vinci-alarm-clock-will-wake-you-up-six-times-a-day