Sleeping with wireless earbuds can be challenging. If you’re a side sleeper like me, almost all earbuds press uncomfortably into your ear canal the second you rest them against your pillow . Most have a habit of falling out at some point during the night. That’s why sleep earbuds exist: they are designed to fit against your ear and stay put throughout the night. Soundcore, makers of many of our favorite headphones, launched the A30 sleep earbuds in August — they’re on sale for the first time