Here is an interesting infographic on the sleep patterns of the past famous creatives. Surprise! “Early to bed and early to rise” fellow went to bed at 10 pm at a time when there were no electric lights.
http://www.fastcodesign.com/3031754/infographic-of-the-day/the-sleep-schedules-of-27-of-historys-greatest-minds?utm_content=buffer27e7f&utm_medium=social&utm_source=facebook.com&utm_campaign=buffer
BTW, you can get a sneak preview of our series on rest by selecting our tab of GSB for Grands.