Sleep masks block ambient light at night. Choosing a soft fabric mask helps the brain enter sleep faster and enhances sleep quality. Some benefits of wearing an eye mask include:

Creating a sense of security: Eye masks can create a dark space, helping the brain relax. Darkness also promotes the production of melatonin, the hormone that regulates the sleep cycle. This is useful in situations such as when curtains or blackout blinds cannot be used, for night shift workers who need to sleep during the day, or for those experiencing insomnia.

Protecting the skin around the eyes during sleep: As you toss and turn at night, facial skin can rub against pillows and bedsheets. Soft, smooth sleep masks can reduce friction on the skin around the eyes. However, it is essential to wash and replace them regularly to prevent bacterial buildup and avoid the risk of irritation or dermatitis.

Reducing anxiety and promoting relaxation before sleep: Some lightweight sleep masks apply gentle pressure to the eyes, helping the body relax and making it easier to fall asleep. For light-sensitive individuals, covering the eyes can reduce discomfort during headaches or migraines. However, this is only a supportive measure and does not replace medical treatment for underlying conditions.

Improving sleep while traveling: Wearing an eye mask at bedtime can signal to the brain that everything is safe and comfortable, indicating it is time to sleep. Sleep masks reduce light disruptions, promoting deeper sleep. Therefore, taking one on trips can provide a sense of normalcy, similar to being at home.

Enhancing REM sleep: Eye masks improve REM sleep, the stage where most dreams occur and which accounts for about 25% of total sleep time. It also stimulates brain regions that enhance memory and concentration.

Restoring circadian rhythm: Soft, comfortable masks can stimulate serotonin production to improve mood, while their light-blocking properties increase melatonin levels, thus regulating the sleep cycle. Using an eye mask supports better, deeper sleep, thereby resetting the circadian rhythm (the body's natural biological clock).

To improve sleep quality, in addition to using an eye mask, individuals should adopt a healthy, balanced diet. Limit alcohol and stimulants, and avoid consuming coffee or energy drinks containing caffeine after 16h. Regular exercise for at least 30 minutes daily, maintained consistently, and weight loss if obese, also support good sleep.

If eye masks do not alleviate insomnia, patients should seek medical attention to identify the exact cause and receive timely treatment. Prolonged insomnia can lead to dangerous complications such as memory impairment, increased risk of high blood pressure, diabetes, and stroke.

Anh Chi (according to EveryDay Health, Cleveland Clinic)