100 Useless Light Facts for Sleep

Useless Facts for Sleep · Apr 1, 2026 · 4h 10m

Tonight’s gift is 100 wonderfully unnecessary facts about shadows, mirrors, reflections, and light, each one tiny, true, and gently strange in the dark. In this episode, we drift through the quiet oddness hiding inside ordinary sight, from shadows that are not really things at all to mirrors that are less honest than they seem, rainbows that are secretly circles, and little visual tricks the brain quietly smooths over for us every day. Each fact begins with something familiar you have seen a thousand times and then turns just a little sideways. The facts arrive in ten calm groups of ten…