mrsmith,

In your marathon days playing soccer, how many times a day on average do you think you headed the ball ?

It may be a contributing factor to your condition.

An electronystagmography (ENG) test should be well accepted.

markneil,

Any doctor who can use a negative MRI to say you have nothing wrong with your brain needs to surrender their medical license. They are ignorant of the science and anatomy of brain injury.

Can you get your doctor to prescribe a rental of a recording Pulse Ox meter ? It may shed some light on your nightmares. The slow mornings suggest a lack of oxygen during the night.