You have 60 minutes to solve a problem
Chris Craig
21

I would think about the problem for 10 minutes, do a related task for 10 minutes, take a 30 minute nap, and then work on finding a solution for 10 minutes.

The importance of the related task: http://www.cmu.edu/me/idig/publications/the%20influence%20of%20open%20goals%20on%20the%20acquisition%20of%20problem%20relevant%20information.pdf

The importance of the nap: https://www.sciencedaily.com/releases/2012/10/121012074741.htm