Grey's Anatomy star Justin Chambers says he checked in to UCLA's psych ward recently because of a longtime sleep disorder.

"It's an issue that I've had for a while," Chambers told PEOPLE magazine in his first interview since the incident. "It's a biological sleep disorder. Your mind keeps racing, and your body is tired. It wants to go to sleep, but it can't."

At his wit's end, the 37-year-old actor, husband, and father of five says he was sleeping no more than an hour a week during the two months leading up to his hospital stay.

We all know sleep is vital to maintaining a healthy lifestyle. It's a topic covered here at That's Fit all the time. To brush up on your sleep smarts so you can get the quality rest -- and the benefits that come from rest -- you so deserve, check out these recent sleepy posts.

Daily Fit Tip: Sleep in total darkness
Lack of sleep may be hindering your fitness progress
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Sweet dreams: Americans are actually getting sleep!
Let Mother Nature help you sleep
10 tips for the insomniac

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