What kind of pillow does it fit?
So although people need rest height often height with everyone, It differs from man to man., weight, head circumference, shoulder width, narrow neck length of neck radian, does not have a standard, but most people sleep supine position due to the use of more time, doctors generally recommend the use of punch a little more height is appropriate, not to the fist half height.
A person with a high pillow and a man who is used to sleeping on the side should be more than one and a half higher. But recently, according to medical investigation, healthy people in 8 hours sleep, posture change about 20-45 times, and half of the position in less than 5 minutes to change once, of which 60% is supine, 35% is lateral, and 5% is prone.
