To improve my sleep, I ran an experiment before going to bed. It was from one of Bryan Johnson’s videos where I learn to reduce my heart rate before sleeping. That’s why I did for a week. I measured my heart rate every 30 minutes: After some breaths to find my baseline. Then after some relaxing activities, like journaling, meditation, and reading. Guess which one lowered my heart rate the most? Reading a book. I read fiction in my native language, to be precise. There’s a reason why that I found when reading How reading books regulates your nervous system:...