Giving something up is harder than trying something new. — There’s no shortage of apps, devices, soundscapes and meditations designed to improve your sleep. Fancy-ass custom earplugs. High-tech mattress covers. Teas, supplements, and new bedtime routines. They exist because we humans likenew things, buying things, and the feeling we are Doing Something About the Problem. What if it’s not something you need, but something you already have?