A comprehensive analysis and optimization strategies for improving deep sleep Everything and much more about improving your deep sleep. How can you go from 15 minutes of deep sleep to 2 hours every night. What supplements to take? What is the best sleep routine? Find out all this and read on... Introduction to deep sleep My quest for better sleep has been ongoing for the past 10 years. I used to sleep only 5.5 hours per night, and the quality of sleep was poor. I was totally overworked and almost burned out after doing crazy hours in the ER and being literally on call for almost five years in a...