I've found that if you sleep on the back and not move much, a light scarf can do...

baud147258 on Sept 5, 2019 | parent | context | favorite | on: Weighted blankets might ease insomnia and anxiety

I've found that if you sleep on the back and not move much, a light scarf can do the same job as an eye mask, which can be handy if you're traveling and don't have one.