2. Prevent various diseases caused by colds. People are relaxed when they sleep, and their pores are open, so they are easy to catch cold. Wearing pajamas can effectively resist the cold after sleep and prevent colds and various limb pains caused by cold.
3. Pay attention to hygiene. Nowadays, air pollution is more serious. People will inevitably bring all kinds of bacteria in various occasions of work, life and study, and put on clean pajamas when they get home, which reduces the chances of bacteria entering the home.