A sleeping mask is a simple eye cover designed to block light while you rest, but the questions around them — do they work, are they safe, how often should you wash them — deserve straight answers. According to the Centers for Disease Control and Prevention, more than 1 in 3 American adults do not get the recommended amount of sleep, so anything that helps protect quality sleep time is worth understanding. Here are the answers to the most common questions about sleeping masks.
What Is a Sleeping Mask?
A sleeping mask is a soft cover worn over the eyes at night to keep out light. It works by creating darkness even when your room is not fully dark, which helps your body prepare for sleep. Masks come in different fabrics and shapes — flat, contoured, silk, cotton, weighted — but the principle is the same. The best choice for you depends on your sleep position and how sensitive you are to light, and you can compare options across our silk sleeping mask collection.
Do Sleeping Masks Help You Sleep Better?
For most people, yes. Light is one of the strongest signals your body uses to set its sleep-wake cycle, and a mask keeps light away from your eyes so you fall asleep and stay asleep more easily. The evidence behind this is covered in our sleep mask benefits guide.
Is It Safe to Sleep with a Mask On?
Yes, when the mask fits properly. The band should be snug enough to stay in place but loose enough that it does not press on your eyes. Choose a breathable fabric such as silk, keep the mask clean, and avoid masks with hard parts that could dig in. If you have an eye condition or recent eye surgery, check with your doctor first.
What Type of Sleeping Mask Is Best?
The best material for most sleepers is silk. It is smooth, breathable, and gentle on skin, which makes it comfortable for the eight hours a mask typically stays on. Cotton masks are fine for occasional use, and weighted masks appeal to people who like gentle pressure. For a balance of comfort, light blocking, and durability, a silk sleeping mask is the easiest recommendation.
How Often Should You Wash a Sleeping Mask?
Wash your mask every three to five wears. It sits against your skin and hair, so oils and skincare products build up quickly. Hand wash in cold water with a pH-neutral detergent, or use a gentle machine cycle with the mask inside a mesh bag, then air dry flat.
How Long Do Sleeping Masks Last?
A well-made silk mask lasts one to two years of nightly use with proper care — a 22-momme mask like the ones in our silk sleeping mask collection holds its shape and softness far longer than cheaper alternatives. The elastic band is usually the first thing to wear out, so avoid stretching it too far when putting it on and taking it off. Cheaper polyester masks often lose their shape and softness within months, which makes the silk option better value over time.
The bottom line: a sleeping mask is a simple, low-risk tool that blocks light and supports better rest. The 22-momme silk sleeping mask in black is our most popular choice, and the navy version is equally comfortable. For the full buying picture, read our sleep mask buying guide or the sleep mask benefits guide.