In 2019, the neuroscientist Matthew Walker, the author of Why We Sleep, gave a TED Talk that began with a cheerful disquisition about testicles. They are, apparently, "significantly smaller" in men who sleep five hours a night rather than seven or more. The consequences of short sleep for women's reproductive systems are similarly dire.
2019年，神经科学家马修·沃克（《我们为何睡觉》作者）发表了TED演讲
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