For a few months, I've been working some serious hours and as a result slept about 5-6 hours per week nights. For one week now I've forced myself to sleep 8 hours even during the weeks, and noticed my productivity shoot up. It is worth it!

Tldr of the article: http://tldr.io/tldrs/5123bba2793151711c00001b/good-sleep-goo...