I've been doing naps at work for the last year, since I started to try polyphasic sleep. Naps play an essential role in my polyphasic strategy. Those 30 minutes

I've been doing naps at work for the last year, since I started to try polyphasic sleep. Naps play an essential role in my polyphasic strategy. Those 30 minutes I spend sleeping after lunch save me some sleep hours during night. You can get some data points about naps and its importance in this book (which I recommend): https://www.amazon.co.uk/Sleep-Myth-Hours-Power-Recharge/dp/0241975972/ref=sr_1_2?ie=UTF8&qid=1498658901&sr=8-2&keywords=sleep+book https://www.amazon.co.uk/Sleep-Myth-Hours-Power-Recharge/dp/...