My cat is almost a year old and his head twitches a lot. is that normal?

i used to think that it happened because something could have touched his whiskers and irritated him so he shook his head to get rid of that feeling. however, sometimes he does it when nothing could possibly be touching him. we always joke that he has tourette’s bc that’s what it acts like. i wanted to know if this... show more i used to think that it happened because something could have touched his whiskers and irritated him so he shook his head to get rid of that feeling. however, sometimes he does it when nothing could possibly be touching him. we always joke that he has tourette’s bc that’s what it acts like. i wanted to know if this was something all cats do.
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