Hot fomentation x twice daily. Neck Exercises. Neck Stretching. Postural Correction. Shoulder Shrugs . Core Strengthening Exercises. Take frequent Breaks at work

Hi, you can use but for a permanent solution start strengthening and stretches. Meet your Physiotherapist. Take care

Effect of pillows on neck pain are overrated, yes the thickness of a pillow alters your neck position so the effectivity varies when your are lying on back or lying on side. Cotton pillows are good. Less thick cotton pillows are good for straight lying  but when you are lying on side you need an extra cushion to prevent unnecessary tilting of head to one side. The reason i said overrated because we keep changing our position while sleeping.So a single unit of any shape.will not be helpfull, you will be needing adjustment in that as well.

You can take. Stretching exercises of neck and shoulder. Posture corrections must

Yes it's good for neck pain. You can purchase