Necks are vulnerable. Just carrying around the weight of your head all day creates pressure in the cervical vertebrae and connective tissues. Your head is about eight percent of your body’s mass. If you work at a desk or use repetitive body motion during the day, your head and neck may not be held in an ideal position. The position of your neck during sleep should create as little strain as possible so those fatigued muscles can relax and recover.
When you add a pillow to your sleeping pose, good neck alignment is easier said than done.
