Power naps are nothing new. The artist Salvador Dali wrote in his memoir that he would sit on a chair with a key in his hand held over a plate. As soon as he fell asleep the key would fall, waking him up so he'd be ready to work. There has even been a study by NASA suggesting that 26 minutes is the optimal napping time to increase alertness and performance. It seems great minds think alike.
This is a companion discussion topic for the original article at https://patient.info/news-and-features/how-long-should-a-power-nap-be