- I wonder what are the best ways to treat early morning awakening. I guess the sleep deprivation technique mentioned in the article could be a possible solution. Though it wouldn't be very helpful if it didn't last long term.

- If one's tired during the day it might be worth getting tested for sleep apnea. You can see if you're likely to have sleep apnea by answering the eight questions here: http://www.stopbang.ca/osa/screening.php