Can Zhongkong sleep at night?

The central controller usually sits in the monitoring room on duty. The responsibility is to check whether all the visual angles of the monitor are safe, whether there are potential safety hazards, whether the fire-fighting equipment is operating normally, and patrol the building. The central controller is divided into fire controller and property controller.

In nature, different animals have different sleep time, and sleep time will vary with age, body shape, eating habits or living environment. For example, a fierce carnivorous tiger can sleep 16 hours a day, while a goat that is easy to prey is much more timid, sleeping only 5 hours a day; The cave brown bat is the king of sleep and can sleep for 20 hours every day.

Elephants sleep shorter than squirrels, while pigs called lazy pigs sleep 7.8 hours a day, which is equivalent to adults and much shorter than babies (sleep 16 hours a day). There are many reasons for this difference, and natural enemies may be the decisive factor.