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O-type people are "reserve vitality" type, as long as the sleep time is up, they can often fall asleep peacefully. In addition, their endurance is amazing. They can sleep for three days and three nights, or sleep for three days and three nights at once, which is incredible!

Type A people are very neurotic. As long as there is a little disturbance, they will wake up immediately. Therefore, Type A people often do not sleep well, which can be said to be "extremely shallow sleep". It is usually the case that they persist until the end, they are exhausted, and then fall asleep.

Type B people are the "sleep everywhere" type. No matter what makes people worry about during the day, as long as it's sleep time, they will leave everything behind and fall asleep, and they can sleep no matter where they are. Very stable. Therefore, some people jokingly said that even if there is a big earthquake in the middle of the night and the house collapses, people of type B may not even know it!

Most people with type AB do not get enough sleep, because they often work hard until late to go to bed, and they tend to wake up in the middle of the night and are not easy to fall asleep. Therefore, they often show fatigue and doze off on the bus or in class . If the AB type people want to overcome this problem, they must make a plan, arrange the rest time, and don't let themselves be too tired.


Blood Type