Thank you for posting your query.
Based on your description, you have suffered from mild head injury
. You need not worry and can peacefully go to sleep.
However, if you notice any of the following symptoms, you should go to the ER and get checked up:
Weakness of arm or leg.
Wishing you good health,
Dr Sudhir Kumar MD DM (Neurology)
Senior Consultant Neurologist
Apollo Hospitals, Hyderabad