Many of our best thinkers such as Einstein, Da Vinci, Tesla, and Churchill took afternoon power naps regularly. Progressive companies such as Newsweek, Google, and Time/Warner encourage afternoon naps because they have found there is increased productivity.
A Greek study found that men who took a 30 minute nap at least 3 times per week lowered their risk of dying from a heart attack by 37%! Power naps also helped with weight loss and improved alertness, mood and performance.
Researchers found that 10 minute nap helps uplift mood and fends-off afternoon energy slumps. They found that 20 minute naps are revitalizing and help sharpen the sensess. Thirty minute naps improved memory and physical health.