The constant drip into ever-more restricted vessels can result in a sinus infection, because viruses and bacteria take advantage of the situation. Dr. Travell was White House physician to John F. Kennedy. The tight SCM complex transmits nerve impulses that inform the brain of the position of the head and body in the surrounding space. It doesn't match the input from your eyes. This, coupled with poor equilibrium, can make it seem that the walls are tilting.
Cold drafts can bring on neck TPs.
Be careful how you move in bed. When you turn, roll with your head flat, and use your arms to help. Muscle weakness causes much FM grief. You try to take a drink from a glass, and end up wearing your drink. As you twist your wrist to bring the drink to your mouth, a latent TP-stressed muscle is asked to support the drink.