Are there any taboos about bedside stickers?

There is no explanation. It depends on whether you believe in religion, feng shui, superstition, etc.

Basically pay attention to the following points when hanging pictures on a daily basis:

Don’t hang pictures or pictures on the bedside that are too bright; after all, the bed in the bedroom is a place for people to rest, so hanging it can help Paintings that settle thoughts and calm people down should be done in colors that are not too bright, which will make people sleepy after looking at them.

Bedside stickers or paintings should be hung after some people look at them. If there are happy and joyful things, don’t hang things that are too evil or bad;

Bedside paintings should not be too heavy to prevent them from falling.