It can be a radiating pain due to nerve impingement and wrong posture. Neck and shoulder muscle stretches followed by hot fomentation is advised. Visit a physiotherapist for proper postural correction and exercises. Modalities like TENS may give you symptomatic relief.
Adopt proper sleeping posture.
Next Steps
Visit a physiotherapist for proper guidance.
Health Tips
Avoid slouch posture and excessive use of digital devices (mobile, tabs, computer).