Create a cocoon of darkness with the best blackout curtains of 2024

By Heidi Borst, Nov 8, 2024

Blackout curtains can help block ambient light while you’re sleeping, but why does that matter? According to research, a dark room improves overall sleep depth and duration by stimulating melatonin, a hormone that regulates circadian rhythm. In other words, it helps you sleep deeper and longer by keeping your body’s sleep clock on track. “Sleep is best in a cave — ahem, a cool, dark place,” says Dr. Alex Dimitriu, a sleep medicine physician. While blackout curtains can benefit everyone, Dimitriu says anyone who needs to sleep when it’s light out will find them particularly beneficial. Shift workers with unconventional schedules or individuals living farther from the equator, where the sun takes longer to rise and set, may struggle to sleep in a brighter room.

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