According to the Huffington Post, sleep-related disruptions in breathing have been linked to male infertility.

We’ve known for some time that OSA can have negative effects on sexual function in men (and also in women). Research has shown that a significant percentage of men — from 10 percent to 60 percent or higher — with obstructive sleep apnea also have erectile dysfunction (ED). Scientists are still working to understand the relationship between OSA and ED, and exactly how sleep apnea may interfere with normal sexual function in men.