Police respond to head on collision on busy main street in early afternoon. Only minor injuries in other vehicle, but three (3) young children are shaken and crying. Driver admits to having two (2) drinks with her friend at lunch but she fell asleep due to ongoing insomnia. Field sobriety tests are completed amongst several police vehicles, EMS and Fire vehicles. Defense stresses chaos of scene is difficult context for field testing and driver disclosed current knee inury. Booking video is helpful to defense and medical records offered to support both insomnia and knee conditions. No