So many of us struggle to fall asleep and stay there through the night. About a third of U.S. adults aren’t sleeping enough. Teenagers’ sleep is even worse; 8 in 10 teens are sleep deprived.
Our collective exhaustion isn’t good for us. Lack of sleep can come with a range of health problems. Our immune systems, hormones, hearts — maybe all the body’s major systems — are influenced by sleep. In the brain, our memory, creativity and ability to learn are, too.
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