As per your data given, possibly sliped disc or spinal stenosis. Neck pain can have causes that aren't due to underlying disease. Examples include prolonged straining (looking up or down), sleeping in an uncomfortable position, stress, chiropractic manipulation or wearing heavy necklaces.
Pressure on the nerves in the spinal cord can cause numbness, tingling, or pain in the arms, hands, and legs.
Next Steps
Two sleeping positions are easiest on the neck: on your side or on your back. If you sleep on your back, choose a rounded pillow to support the natural curve of your neck, with a flatter pillow cushioning your head.