9 min read May 11, 2026 I try to pay attention to the small things that affect my quality of life. When something keeps bothering me, I want to investigate, find a likely cause, and act on it. What changed recently is what I'm willing to build to support that. With AI tooling, projects I would have dismissed a few years ago as "too much effort for the payoff" now fit into a weekend. So whenever I bump into a problem in my daily life, I catch myself thinking, "actually, I could build something to look into this" . This post is about one of those problems: my sleep. The problem I live in a noisy city. Some nights I wake up at 3 am with no idea what woke me up. Other nights I don't fully wake up, but my watch the next morning shows that something pulled me out of deep sleep at 3:32 am. The frustrating part is that you almost never know what caused it. When a sound wakes you up, your brain is still transitioning out of whatever sleep stage you were in, and it takes a moment to come back online properly.…