For airplanes, Bose or Sony both have noise-canceling wireless headphones in over-ear format with battery life over 18 hours. I wouldn't try to side-sleep in ei

For airplanes, Bose or Sony both have noise-canceling wireless headphones in over-ear format with battery life over 18 hours. I wouldn't try to side-sleep in either one, but the relative quiet on aircraft is wonderful, especially if you find yourself on a turboprop.