My foot is numb?

I lean on my foot when i go on the computer/sit. And the top of my foot has been numb and i got into that position out of force of habit. My foot is collder than the other one , but thats about it with a little numbness, what does this mean? a pinched nerve? should i just wait it out and NEVER sit on my foot again, or the doctor?

Answer:
Get it checked by the doctor. Could be a circulatory or nerve problem

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