How to Buy a Sleep Mask: Fit, Material, and Features to Look For

When testing it out, lie in your preferred sleep position and move around a bit—if the mask feels restrictive or shifts when you do, you may need to adjust the tightness. Features to Look For Photograph: Westend61/Getty Images Today’s sleep masks are filled with enhancements that complement sleep patterns and preferences. Aromatherapy Aromatherapy sleep masks combine the benefits of light-blocking with the use of essential oils for therapeutic effects. Sleep masks are sometimes filled with flaxseed and rice infused with these essential oils, creating a weighted effect as well as providing aromatherapeutic benefits. Speakers Second to sight, sound plays a crucial role in a good night’s sleep—so much so that today, some high-tech sleep masks even come with speakers built into the areas near the ears.