Michael, 43, said in Brent Magistrates Court that he was guilty due to "tiredness and prescribed drugs."
The pop star, whose birth name is George Panayiotou, was arrested on Oct. 2 in London.
A charge of being in charge of a vehicle while unfit through drugs was dropped by the Crown Prosecution Service. Sentencing was to be passed at a later date.
Michael was arrested in the early hours of Oct. 2 after police responded to complaints that a car was blocking an intersection in North London. Police said he was found slumped over the wheel of the car.
Brenton Tarrant, the shooter from New Zealand's Christchurch, was not a lone wolf. The West has missed out an important point - the formation of organised Christian extremism
Those who convientenly blame Muslims and Islam for "extremism" and "terrorism" should rethink and read the living history for truth, honesty and justice
The Moroccan occupation remains the last case of decolonization in Africa. The Moroccan military invaded in 1975 despite a clear ruling issued by the ICJ.