Better than the other one!
This book offers even more insights than the first, because it provides insights that better support what you're building. Once you have your routine (which the first book teaches), this one helps you maintain high performance – something that has helped me a lot in the last three months. Before, I would get tired after a day's work and barely manage to complete my nightly routine. In the end, I realized I wasn't understanding anything I was dedicating myself to and felt frustrated because of it. But, after making some adjustments, everything changed! In the last three months, my energy has miraculously increased because, from the moment I wake up until the moment I go to sleep, I have energy. I sleep well, respecting my circadian rhythm, and I wake up feeling better than before. Every day, by putting the teachings from these last books I read to the test, I see an unbelievable improvement in my life, and I realize I no longer want to follow my old routine. \o/ Knowing that both are essential, but given my needs, I say: this one is better than the other. A good book!