You stop noticing them after the first night
Traditional earring backs have a pin that digs into your skin when you roll over. Pull off your headphones and an earring catches. Small irritations, but they stack up until you stop wearing earrings to bed.
Flatbacks sit flush against your skin. A 1.1mm threaded post, no protruding pin, no pressure point. You sleep, shower, work out. Your stack stays where you put it.
Jewelry that you forget is there, but that everyone else notices.