Left earlobe numb after doing side crow headstands. Help?

I've been doing the kind of headstand where you balance your body on one side like in the picture below. I was doing it for around 30 min before I noticed my earlobe on the side I balanced on go numb. It's been an hour and it's still numb. Did I injure a nerve? Will this go away on its own? Should I go to the doctor or hospital?

Left earlobe numb after doing side crow headstands. Help!?<br />


Left earlobe numb after doing side crow headstands. Help?
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