Can’t sleep on airplanes? These products and techniques can help.

The rumble of a jet engine is a comforting sound to some air travelers, making it easy to sleep on virtually any flight. For others, just the thought of being trapped in a pressurized aluminum tube is enough to send massive doses of adrenaline into their bloodstreams, ensuring alertness for days. Read more “Can’t sleep on airplanes? These products and techniques can help.”

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