睡眠学

例句：

1. 1. Understanding the science of sleep is essential for good health.
   了解睡眠的科学对于健康至关重要。
2. 2. The research on sleep disorders has greatly improved our understanding of human physiology.
   关于睡眠障碍的研究极大地提高了我们对人类生理的理解。
3. 3. Sleep deprivation can lead to serious health problems, so it's important to get enough restful sleep.
   缺乏充足的休息会导致严重的健康问题，因此确保获得足够的休息是非常重要的。