Can't sleep at night have anything to do with pillows?

Yes, that's true. Sleep habits also have an influence on the height of pillows. For people who are used to sleeping on their backs, the pillow height should be equal to the fist height after pressing. For people who are used to sleeping on their side, the height of the pillow should be consistent with the shoulder width after pressing. Of course, the pillow that can keep the normal physiological curvature of the neck whether sleeping on the back or on the side is the most ideal, and the pillow of Lexiu Square basically conforms to the height of everyone when sleeping, because it has a device that can adjust the height of the pillow.