There are few things that are as precious and sacred as a good night’s sleep.The Mzoo sleep eye mask is a favorite on Amazon, with shoppers claiming that it “completely improved” their sleep.According to the description, the eyemask performs better than others because it exerts no pressure on the eyes.It’s also said to “fit all size head circumferences” thanks to its fully adjustable buckle strap.customers’ reviews say the most impressive features are its ability to effectively block light and allow users to blink