https://www.everydayhealth.com/conditions/what-happens-when-you-dont-sleep-days/
http://www.healthguidance.org/entry/17538/1/What-Would-Happen-If-You-Stopped-Sleeping-Right-Now.html
https://en.wikipedia.org/wiki/Fatal_familial_insomnia
https://en.wikipedia.org/wiki/Rapid_eye_movement_sleep
https://en.wikipedia.org/wiki/Insomnia
https://en.wikipedia.org/wiki/Dopamine
https://en.wikipedia.org/wiki/Sleep