Practices like ice baths, intense breathing, and potentially fasting can be beneficial for individuals feeling under-activated or experiencing low energy, as they can increase epinephrine and cortisol.

“Provided you get clearance from your doctor to have some sort of protocol built into your day where you deliberately increase your levels of epinephrine and your levels of cortisol.”

“It's quite easy to turn the shower cold and get into that, that will wake you up. You can do deep breathing of the sort where you inhale and exhale repeatedly 25 or 30 times, maybe hold your breath for a few seconds on an exhale and then repeat, so-called Wim Hoff, or tummo type breathing.”