A bunch of nerves that are connected to your spine also connect to your brain and sends it the info we need and sends out other information throughout your body
RICE can help the treatment of A, a sprain.
Help him in seating down
give them glucose, if they have it
If they don't have it, let them consume anything sugary-juice, sugar loaded water, candies
Monitor the sugar levels and If the situation does not improve, call the hospital and ask for an ambulance.