Tech companies love to sell us expensive gadgets to solve all of life's little problems. Sleepbuds sold by the likes of Anker and Ozlo are a good example. These miniature marvels of engineering sit flush in the ear, and allow side-sleepers to doze off listening to podcasts, audiobooks, music, or white noise without annoying their partner. But why pay over $200 for a second pair of highly specialized buds when you can spend a fraction of that for a product that never needs charging, never loses its Bluetooth connection, and won't need replacing in a few years after the battery wears out?
Piercing pillows, as the name suggests, promise pain …
