By now, you’ve probably heard the buzz about weighted blankets. Well, now the trend has come for your eyes, too, promising to ease stress and anxiety, promote better sleep, and even provide relief from tension headaches and migraines. Typically stuffed with microbeads, natural flaxseeds, or sand, weighted eye masks claim to work by providing gentle pressure that sends a signal to your brain to relax, while also blocking out sleep-disturbing light.