Wearing an eye mask may help improve sleep and cognition
Your bedroom is probably not as dark as it should be. Even through closed eyelids, light streaming from the television or hallway can make its way into our retinas and harm our health and mental acuity the next day.
The deleterious health effects of nighttime light exposure are staggering.
End of carouselResearch has shown that even relatively dim light when we snooze — about the equivalent of a hallway light — can have surprisingly profound physiological effects, raising heart rates, reducing the duration of important sleep stages and increasing insulin resistance.
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