当我们进入睡眠状态时，大脑经历的全脑激活模式与平常清醒时类似，虽然前额叶皮层会保持沉寂，而视觉皮层比平常甚至更加活跃。
When we fall asleep, the brain undergoes a similar pattern of global activity, as the prefrontal cortex goes quiet and the visual cortex becomes even more active than usual.
睡眠是一项很重要的生理需求，就像食物和水一样，而当我们入睡时，大脑是很活跃的。
What we do know is that sleep is an important biological need, like food and drink, and that the brain is very active while we're sleeping.
应用推荐