We tested 6 sleep masks to compare their overall comfort and ability to deliver total darkness during sleep. There’s just one we recommend buying.

This article is a part of CNN Underscored’s Guide to Sleep, a weeklong focus on everything you need to sleep better. We’ll be featuring new products, tips and exclusive deals all week, so check in ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more Imagine this: you're on a crowded plane, trying to catch some jet-lagged rest while the overhead lights ...