Can I wear pajamas in summer in autumn?

You can't. It is no longer hot in summer and autumn. Summer pajamas are usually short-sleeved shorts. Wearing it in autumn will catch cold and cause unnecessary losses to the body. You should wear autumn pajamas to sleep. In China, traditionally, "beginning of autumn" in the 24 solar terms is taken as the starting point of autumn. Entering autumn means that rainfall and humidity tend to decrease or decrease. In nature, the qi of Yin and Yang began to change, the yang gradually declined, the yin gradually emerged, the climate changed from hot to cold, and everything was born with cold and gradually declined.