TL;DR: Until midnight on March 16, you can save 20% on all Casper products (except the Glow Light) using the code WORLDSLEEPDAYZZZ.
There’s nothing better in this world than sleep. Just ask anyone who isn’t getting any, and they’ll be happy to tell you just how important it is.
In case you needed reminding, World Sleep Day is here to celebrate the benefits of good and healthy sleep. It’s also an opportunity to save on sleep products, with top brands launching special sales to mark the event.