Tired. Beat. Worn out. A tough workout can, without a doubt, leave you ready to hit the hay. But according to a new poll, that workout doesn’t just make you sleepy, it could make you sleep better.
People who identify as exercisers reported better sleep than those who consider themselves non-exercisers, according to a new National Sleep Foundation survey, even when both groups get the same amount of sleep.
“People who sleep better report exercising more, and people who exercise tend to sleep better,” says Matthew Buman, Ph.D., assistant professor of exercise and wellness at Arizona State University and NSF poll task force member. “We know that life is very busy for many people. They’re not getting enough sleep and they’re also not getting enough exercise.”
Of the 1,000 people surveyed by the NSF, 48 percent said they got light physical activity regularly, 25 percent consider themselves moderately active and 18 percent said they get regular vigorous exercise, leaving 9 percent who reported no physical activity at all. Exercisers and non-exercisers alike reported an average of six hours and 51 minutes of sleep on a workday and 7 hours and 37 minutes of sleep on non-workdays.
Vigorous exercisers reported the best sleep, with just 17 percent saying their overall sleep quality was fairly or very bad. Nearly half of the non-exercisers, on the other hand, reported fairly or very bad sleep. However, even light exercisers were better off than those getting no activity: 24 percent said they got fairly or very bad sleep. “Even small amounts of exercise is better than none,” says Buman. “It appears that some is good and more is better.”
This is good news — for all levels of exercisers, but especially couch potatoes. “If you are inactive, adding a 10 minute walk every day could improve your likelihood of a good night’s sleep,” Max Hirshkowitz, Ph.D., poll task force chair, said in a statement.
Indeed, greater overall health can improve your sleep, Buman explains. “Some of the more frequent causes of being sleepy are obesity, diabetes and smoking,” he says, “and we know that regular exercise can help to improve each of these things.” Exercisers who report better quality sleep may be enjoying the “positive effects that come from reducing our weight, improving diabetes and quitting smoking,” he says. But exercise is also a known stress-reliever, and — surprise, surprise — we sleep better when we’re more at peace.
Even physical activity you wouldn’t typically consider “exercise” can lead to more serene slumber. In fact, simply sitting less can promote better sleep. Only 12 percent of people who say they spend 10 hours or more sitting each day reported very good sleep, while 22 percent of people who sit for fewer than six hours a day do, according to the poll.
We know that too much daily sitting can lead to a number of health consequences, including heart disease and diabetes, independent of how much exercise a person gets, says Buman. This is the first survey to link all that desk jockeying to poor sleep. “Less sitting is always better, no matter how little you’re doing. It doesn’t need to be exercise, it can be something as simple as standing at your desk when you take your next phone call, or walking down the hall to talk to your coworker instead of sending that email,” he says.
People who don’t exercise at all also struggled the most to stay awake during daytime activities, like eating or driving. “The body needs to sleep just like it needs to consume and it needs to move,” says Grandner, a spokesperson for the American Academy of Sleep Medicine. “Sleep, activity, diet — they all support each other as three important pillars of health.”
Read more: Huffington Post
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