Airport pillows, often referring to U-shaped neck pillows sold in terminals, can significantly help travelers maintain a more ergonomic head position during upright sleep, preventing the "head bob" that often leads to neck strain. In 2026, memory foam and inflatable options dominate the market, with some high-end versions offering chin support to prevent the head from falling forward. While they won't replicate a bed, they provide a vital "buffer" between your head and the hard, often vibrating airplane seat or window. For long-haul flights, they are considered essential for "micro-naps," as they help stabilize the cervical spine. However, their effectiveness is highly subjective; some find them too bulky or hot, while others swear by "wrap-around" designs that provide 360-degree support. Ultimately, they help most by providing a psychological and physical "comfort cue" that assists the brain in transitioning to a restful state in a noisy, cramped environment.