There is something strangely passive about sleep. For roughly a third of our lives, we lie still, largely unaware of the world around us, unable to work, eat, travel, protect ourselves, or do any of the things that seem useful for survival. From an evolutionary perspective, this should make sleep expensive. An unconscious animal is …
Fun Fact: Your brain creates new neural connections every day—even in your 80s! When we hear the word “plastic,” we think of something synthetic and unchanging. Ironically, when we talk about “brain plasticity,” we’re talking about one of the most dynamic, ever-evolving systems known to humanity—your brain. “Brain Plasticity: How Your Mind Can Heal, Adapt, …