Yes... I think it is real but it reflects on people differently. I think that people that have it are ether hyper or hypo which means ether they are actively excited or they are calm.
I think people have it more then what is diagnosed and I also think that there is a way that people can cope with SPD without medication.
So I have many strange behaviors but I've usually assumed it was my social anxiety until I came across something on the internet about Sensory Defensive
I'm a teen who was diagnosed with level 1 autism at age 13. Since I was very young I had sensory issues, they were very noticeable when I was in preschool,