The contact owns a 2004 Nissan Quest. The contact stated while at a complete stop, the driver and passenger side front overhead airbags deployed without impact. The contact sustained headaches and sought medical treatment 2 days later with his doctor. The contact stated no warning lights were illuminated. The vehicle was not taken to a local dealer to be inspected. The manufacturer was not informed of the failure. The failure mileage was approximately 183,000.