Men who sleep five hours a night have significantly smaller testicles than those who sleep seven hours or more.

每晚睡5个小时的男性睾丸明显小于睡7个小时或更长时间的睾丸。

(Laughter) Men who sleep five hours a night have significantly smaller testicles than those who sleep seven hours or more.

（笑声） 每晚睡五个小时的男人 睾丸比睡七个小时或更长时间的男人小得多。

18 (Laughter) 00: 21 Men who sleep five hours a night have significantly smaller testicles than those who sleep seven hours or more.

00: 18 （笑声） 00: 21 每晚睡五个小时的男人的睾丸明显比睡七个小时或更长时间的男人小得多。