Wore this on a flight to Hawaii. Slept like a baby round trip. I appreciate the most that the eye mask blocks out a significant portion of ambient light. Takes a few mins to set up then it’s good night.Highly recommend.UPDATE - 4/29/24Wore this on 2 x 4 hour flights. Worked AMAZING! I SLEEP! No head bob! No movement! It’s amazing! I LOVE THIS THING! I actually look forward to flying now. What joy!!