Guinea pigs sleep with their eyes closed. Like people, guinea pigs need to close their eyes to fall asleep. The reason why guinea pigs give people the illusion of open eyes is because guinea pigs are highly alert and are easily awakened when there is movement around them. Therefore, Whenever a guinea pig is observed, its eyes are open. In fact, it is not asleep at that time. When the guinea pig is asleep, it closes its eyes.

Precautions when guinea pigs sleep:

1. Guinea pigs are timid and easily frightened, so pet owners are advised to Do not disturb the guinea pig, so as not to affect the guinea pig's sleep.

2. If you find that the guinea pig's eyes are open, it means that the guinea pig is not asleep yet. It is recommended that pet owners give the guinea pig its own space and not disturb the guinea pig's sleep.

3. Guinea pigs are nocturnal animals and are active at night. At this time, guinea pigs will come out to look for food and exercise. Guinea pigs are asleep most of the day, so pet owners should stagger feeding times with guinea pigs' sleeping times.