Of course it's real. I just thank God my son got such an early diagnosis. I also started a blog to show his behaviors for anyone who may be wondering what is it like. http://spdmamma.blogspot.com/
I really appreciated reading that sensory processing deficits can be inconsistent; meaning, present one day and not the next. That is absolutely my experience
When I was younger I remember having many sensory issues that went undetected or were seen as being a disrespectful child. Most of my symptoms have persisted