Tom's weekly question: What single change has made the biggest difference to your energy this year?

This week I want to hear from you directly. Supplements, sleep, training, diet, routine, whatever it is. What is the one change you have made in the last 12 months that has had the most noticeable impact on your energy and cognitive performance?

I ask because the most useful signals I get for formula development come from what is actually moving the needle for subscribers, not from what the research says in isolation. There is often a gap between what studies identify and what people notice in practice, and that gap is worth understanding.

Drop your answer in the comments. I read all of them.