When lying on your back, the pillow should support the natural curvature or lordosis of the cervical spine, with adequate support under the head, neck and shoulders. So, the correct pillow position when sleeping on your back is that the height of the pillow must be lower than the side. A healthy sleep expert says that the correct way to use a neck pillow is to turn it upside down. So, so far we have been upside down in installing neck pillows.
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The pillow used should not be too thick or thin to keep the neck in line with the spine. You can also try using a pillow placed between your knees. Pillows on the feet, or commonly called bolsters, help keep the spine straight up to the hips. The correct hair position while sleeping is straight over the head while sleeping on your back. When lying on your back, the pillow should support the natural curvature or lordosis of the cervical spine, with adequate support under the head, neck and shoulders. So, the correct pillow position when sleeping on your back is that the height of the pillow must be lower than the side.