What effect does purple quilt have on sleep?

This color quilt can make people feel calm and safe, but heart patients need to use it with caution.

The color of the purple quilt will make people feel calm and safe, and it is easier to fall asleep and sleep more practically. Purple can maintain the balance of potassium in the body and has the effect of calming the nerves, but it has an inhibitory effect on motor nerves and the heart system, so patients with heart disease should use purple sheets with caution.