Leonardo Da Vinci used something called a polyphasic sleep schedule, this means that after every three and a half hours he took a thirty minute nap, and now one designer, Marc Ownes, has come up with an alarm clock based on his sleep schedule.
There is no time on the clock, just a display which either says ‘Sleep’ or ‘Awake’, the designer explains how it works below.
The Da Vinci Alarm Clock works on a very basic system. The Dot Matrix display will always show either Sleep or Awake. When the product is first switched on the display will immediately show the word Awake. This will continue to be displayed for 3 hours at 30 minutes. At this point the clock display will change to show the word Sleep and a high-pitched alarm will signal this change in state.
Yanko via Gizmodo
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