I think they told me is standard to have an appointment with a neurologist before and after the study. I do not have much hopes for the possiblity of him/her knowing jack shit about sleep architecture, but the test results should be enough for me. Anyway this sleep study will be done in some months, and when I asked for it it was like 4 months ago. Darn overcrowded and dysfunctional medical system. By the way I will be taking 10.000 ius of D3 sublingually per day and we will see what happens.