Prince Fielder got some alarming news about his severe sleep apnea

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Texas Rangers slugger Prince Fielder noticed that he wasn’t feeling well-rested and struggled to sleep through the night, so the team sent him to participate in a sleep study earlier this week. Fielder returned to spring training Friday, and revealed some alarming news about his condition. 

Fielder was told he has sleep apnea, and that he stopped breathing 39 times per hour while asleep.  

Via the Dallas Morning News:

"The test determined that Fielder has sleep apnea, a potentially serious disorder in which breathing stops and starts during sleep. According to Fielder, doctors told him that the condition is considered serious if a person stops breathing 30 times an hour while sleeping. Fielder said he stopped 39 times per hour."

Fielder is now sleeping with a mask to help regulate his breathing, and told reporters he’s relieved to know what has been keeping him up at night.

"I wasn’t panicking. I just wanted to make sure I was okay."