Lie on mattess to try when you when sleeping, good mattess can make your vertebral the spread that keeps natural is spent, as complete as your shoulder, waist, buttock joint, do not leave a bit gap.

• 当您躺在床垫上试睡时，好床垫能使您的脊椎保持自然的伸展度，与您的肩、腰、臀完全贴合，不留丝毫空隙。