Andy Y. West is the author of Dopamine Mountain and Anhedonia Wastelands, books designed to hack the dopamine reward system for energy, motivation and happiness. Andy suffered severe chronic fatigue, cognitive decline and anhedonic depression for almost 4 years, however after experimenting with various hacks for rewiring the dopamine reward system, Andy made a full recovery, even learning to overcome migraine, chronic pain and overhaul the parasympathetic nervous system. Her productivity and drive ended up much greater than it had ever been.
Her website https://dopaminemountain.com/