Long flights often seem like the perfect opportunity to catch up on sleep. Many travelers close their eyes expecting to arrive feeling refreshed, only to wake up feeling even more tired than before. This experience is especially common among side sleepers, who often find it difficult to rest comfortably while sitting in an airplane seat. If you've ever wondered why a few hours of sleep during a flight didn't leave you feeling energized, you're certainly not alone. The way we sleep while traveling is very different from the way we sleep at home, and those differences can affect both comfort and sleep quality. The good news is that a better understanding of these challenges can help you make simple changes before your next journey. Why Sleeping on a Plane Feels Different At home, your mattress and pillow work together to support your head, neck, and spine throughout the night. During a flight, however, you're trying to sleep while sitting upright in a limited amount of...