Always get your rightful sleep. Never, ever get into sleep deprivation.
Take your time for personal projects and studies. It's important!
Also, for something entirely not related to development. Stimulate your creativity. Heck, even play some videogames!
Do sports. Relieve all that stress. Personally I play rugby.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.