Most sleep gadgets just track slumber. Ozlo’s tiny, squishy bluetooth earbuds are smarter, adjusting to your sleep. You can listen to audiobooks or playlists until accelerometers in the buds detect you’ve dozed off. Then they pivot to noise-masking, and the charging case—filled with noise, temperature, and light sensors—logs how you sleep, offering recommendations for change.
Time’s The Best Inventions of 2025: Ozlo Sleepbuds
