After more than 2 months I have access to a gym. However, due to my work schedule and other commitments I have to wake up around 4 AM to get my workout. To manage my rest properly I am going to try out segmented sleep. In short, I will sleep for four hours twice a day. Given that a regular sleep cycle is around 1 1/2 hours, I should be getting an adequate amount and quality of sleep. Thoughts?