Did you know that even the smallest beams of light in your bedroom can become focal points that draw your attention and distract you from sleep? The disappearance of light in the evening tells the brain that it’s time to wind down.
And few people realize that bright-light exposure during the day can improve sleep, since sunlight, especially in the morning, helps to regulate your circadian clock for the day, signaling your brain to wake up.
The bigger the contrast between night and day, the better you sleep. Here’s how to make that happen.
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