What is the correct sleeping position of cervical spondylosis? Please go to the last one, thank you.

It is recommended to sleep in the following way. The picture above shows a flat mattress with a raised head, and the picture below shows a supine one, that is, a friend with cervical spondylosis can lie on his back for two or three hours, then put on a customized pillow with a raised head mattress, and then sleep on his back, as shown below. Please refer to!