2. You’re more likely to struggle with your weight.
Many studies show that people who don’t sleep enough tend to be heavier, but there’s also a link between excess sleep and obesity.
Though it’s not a simple case of cause and effect, says Irwin, there’s definitely a connection. “What we do know is that as people get more obese, they’re likely to be long sleepers,” he says. “And if you’re a long sleeper, you’re more likely to be obese.”
One theory is that too much sleep translates to too little exercise. “Long sleepers have shorter periods available when they can be active,” says Redline. In other words, the more you sleep, the less you move—and the fewer calories you burn off.
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