Currently about two thirds through this. I agree that it's a great read, quite fascinating actually. Interestingly, he's conducted similar tests measuring a who

Currently about two thirds through this. I agree that it's a great read, quite fascinating actually. Interestingly, he's conducted similar tests measuring a whole range of properties including; response, recovery, memory, health on hundreds of people and he draws the same conclusion as the article. It's certainly made me more aware of my own sleep habits. Highly recommended reading.