Quantifying Sleep: How To Track Sleep For Better Physical Fitness

http://www.tabatatimes.com/quantifying-sleep-how-to-track-sleep-for-better-physical-fitness/ Many people who are physically fit notoriously underestimate how important it is to get adequate sleep. Common gym phrases like “I can make do with 4 hours a night” are thrown around so often that people eventually start to believe them. Living life to its fullest and the “you can sleep when your dead” mentality…