He was arrested after he drove his silver Mercedes into the other vehicle in Baildon, near Bradford, West Yorkshire.
Bradford Magistrates' Court yesterday heard how Windass, 43, had been to the Hull City versus Blackpool match on October 3 and was heading home to his flat in Leeds.
Anzal Hussain, prosecuting, said the ex-footballer told police he had drunk two large glasses of wine and two pints of lager six hours before the crash, which happened at 5am.
Ms Hussain said Windass had 118 milligrammes of alcohol in 100 millilitres of breath. The legal limit is 35. The prosecutor added: "He fell asleep and collided with a parked car."
Windass was banned from driving for 28 months – which will be reduced by 28 weeks if he completes an awareness course.
He was also ordered to complete 250 hours of unpaid work and pay £165 towards costs and a victim's surcharge.