Hello there....., Neck pain is a common problem and generally nothing to worry about it.... The pain and stiffness usually gets better after a few days or weeks, and is rarely a sign of a more serious problem.... Anxiety and stress can also sometimes cause tension in your neck muscles, which can lead to pain in your neck. ... Follow these steps make sure you have good posture when sitting and standing... avoid sleeping on your front, and make sure your head is in line with your body,  if you sleep on your side.... Consider muscle relaxants for few days.... Consult orthopedician....