The position you slumber in at night may also impact your neck. Sleeping with your side or your back (supine) can put less pressure on the neck than sleeping on the belly (inclined). On the other hand, in side sleeping, the alignment of your thoracic and cervical spine is essential https://www.theorthopaedicandpainpractice.com/chronic-neck-and-shoulder-pain-relief-strategies-to-reduce-discomfort/