Depending on where you live, the winter months can wreak havoc on your sleep schedule. It gets dark earlier, which can make you tired earlier in the day, and you may find yourself struggling to get out of bed to take advantage of the early hours of sunlight.

About 5% of adults in the U.S. struggle with seasonal affective disorder, a type of clinical depression, according to the American Psychiatric Association . The condition can affect sleep, your activity levels, mood and more.

If you're struggling with sleep in the winter months, whether you're getting too much or not enough, it can help to practice good sleep hygiene — including avoiding this one type of light.

Expert Tip of the Day: Avoid Blue Light in the Evening to Fight Seasonal Depression

If you find yourself anxious in even

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