Have you ever noticed how your cat always curls up on its left side? It’s not just a quirky habit but a behavior with deep neurological roots. Recent research, highlighted in a Gizmodo article titled Most Cats Sleep on Their Left Side, and Scientists Think They Know Why, reveals that this positioning keeps the right side of their brain alert to immediate threats even while resting. Pretty cool, right? But what if I told you that this fascinating cat behavior might have surprising parallels to human health and even fertility technology? Stick with me here—we’re about to dive in.