Possible diy heated/ice rice neck pack. If you have trouble dozing off in strange places, just ask a sloth for help: in captivity, they sleep up to 18 hours a day! If you can't find a real sloth, our kigurumi-inspired Sloth Neck Pillow will do just fine.
STUDIO BANANA is raising funds for OSTRICH PILLOW GO – Maximum comfort sleep for all necks on Kickstarter! The ultimate travel pillow providing unparalleled comfort and total neck support thanks to its ergonomic design and viscoelastic core.