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Tracey Thomsen Anderson, 57, a retired ad agency copywriter from Colorado Springs, sleeps nine or 10 hours every night, and has done so her entire life. “My ability to sleep through ridiculous circumstances was legendary as a kid — parties, fireworks, I slept through a car wreck once,” she says. “I can get by on eight for a day or two, but I feel like a zombie all day with anything less than nine.” (Cimons, 2/9)

At first, Lilly Grey Rudge objected to her classes starting later. Delaying the first-period bell nearly an hour until 8:45 a.m. meant that her mother could no longer drive her, and Lilly Grey would have to take two buses to Ballard High in Seattle. Now, more than two years since the change, the 16-year-old junior is a fan. (Cohen, 2/9)

Snoring is the top reason that patients come to see Jennifer Hsia, a sleep surgeon at University of Minnesota Health in Minneapolis. Most of the time, they come in not because they are worried about their health, but because their partner has been complaining about the noise. “It’s very rare that I have someone come in and say, ‘I think I have sleep apnea,’ ” she says. “It’s more, ‘I’m snoring quite badly and my bed partner wants me to do something about it.’ ” (Sohn, 2/9)

When Carol Gee turned 55, she made a new friend: 4 a.m. In the past, she usually slept through it. But once she entered menopause, it became her new wake-up time. “I would go to sleep and wake up every morning around the same time, almost like you set the clock,” says Gee, who is now 68. She’s not the only older adult to have experienced an exasperating shift in her sleep cycles. In 2017, a national poll conducted by the University of Michigan found that 46 percent of adults 65 and older have trouble falling asleep on a regular basis. (Blakemore, 2/10)

A lot of people out there don’t get enough sleep — more than 1 in 3 American adults, according to the Centers for Disease Control and Prevention. If you’re one of them, you probably know there are two main treatments for improving sleep: behavioral methods and medications. When you’re desperate for a good night’s sleep, medications sure do sound appealing. But there are caveats with them all — the prescription pills, the over-the-counter products and the herbal supplements. (Adams, 2/9)