“I'll go out in the morning in the dark and sauna to start the day, a really hot one. I'll do something really hot, or you could also just jump in an ice tub and get the opposite of that. Either one of those kind of extreme thermal exposures is gonna boost the system. It's gonna rev you up.”

American big-wave surfer, co-inventor of tow-in surfing

Laird John Hamilton is an American big-wave surfer and co-inventor of tow-in surfing. He is also known for occasional work as a fashion and action-sports model, and as an actor. Hamilton is closely associated with the evolution of big-wave surfing, especially the towing method that helped surfers enter waves once considered out of reach. He has also appeared in modeling and acting work, and is married to Gabrielle Reece, a former professional volleyball player, television personality, and model.