夜深人静，大家都准备关灯睡觉了，可是北风呼呼还不想睡觉。他在夜晚的城市里遇到了同样没睡觉的朋友……呼呼了解到原来有许多工作是要在夜晚进行的。热心的呼呼还帮一些朋友解决了难题，让他们都能早点睡觉。（In the dead of night, when everyone was about to turn off the lights and go to sleep, the north wind was still roaring and unwilling to rest. In the city at night, he encountered other creatures who were also awake. HuHu realized that many tasks must be carried out during the night. His kind heart also helped some friends solve their problems, allowing them to sleep early. ）