Smoking is a major hazard to your health -- even when the cigarettes are imaginary.

A patient at the University of Michigan Hospital in Ann Arbor started a fire Saturday night when he attempted to light up a cigarette that didn't actually exist, the Associated Press reported.

The patient, whose name has not been released, "thought he had [a cigarette]," University public safety spokeswoman Diane Brown told AnnArbor.com, and ended up lighting his bedding on fire.

A nurse successfully put out the blaze before it spread, according to an incident report filed by the University of Michigan Police Department. The report stated that the nurse sustained a minor injury and the patient was unharmed. However, AnnArbor.com reported that both the patient and nurse suffered from burns.

This isn't the first time someone's imagination has gotten them into trouble. Back in June, Florida man Peter Bauer spent a whole morning battling imaginary Croatians. He allegedly wound up trying to flee into his neighbor's home, and got slapped with a very real attempted burglary charge.

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  • Tori

    Tori, a 15-year-old orangutan, holds a cigarette stub between her fingers inside her cage at Satwa Taru Jurug zoo in Solo, Central Java, Indonesia, Friday, July 6, 2012. Zookeepers said they plan to move Tori, who learned to smoke about a decade ago by imitating people, away from visitors who regularly throw lit cigarettes into her cage so they can watch and photograph her puffing away and exhaling smoke. (AP Photo)

  • Tori

    Tori, a 15-year-old orangutan, smokes a cigarette inside her cage at Satwa Taru Jurug zoo in Solo, Central Java, Indonesia, Friday, July 6, 2012. Zookeepers said they plan to move Tori, who learned to smoke about a decade ago by imitating people, away from visitors who regularly throw lit cigarettes into her cage so they can watch and photograph her puffing away and exhaling smoke. (AP Photo)

  • Tori

    Tori, a 15-year-old orangutan, smokes a cigarette inside her cage at Satwa Taru Jurug zoo in Solo, Central Java, Indonesia, Friday, July 6, 2012. Zookeepers said they plan to move Tori, who learned to smoke about a decade ago by imitating people, away from visitors who regularly throw lit cigarettes into her cage so they can watch and photograph her puffing away and exhaling smoke. (AP Photo)

  • In this Sept. 14, 2011, photo released by the Centre for Orangutan Protection, Tori, a five-year-old male orangutan, smokes at the Taru Jurug Zoo in Solo, central Java, Indonesia. A wildlife activist said, unlike Malaysia, zoo officials in Indonesia are taking no steps to help smoking orangutans kick the habit. Visitors to the zoo have been giving cigarettes to the red apes for years. (AP Photo/Centre for Orangutan Protection) EDITORIAL USE ONLY

  • In this Jan. 10, 2011, photo released by the Centre for Orangutan Protection, Tori, a five-year-old male orangutan, smokes at the Taru Jurug Zoo in Solo, central Java, Indonesia. A wildlife activist said, unlike Malaysia, zoo officials in Indonesia are taking no steps to help smoking orangutans kick the habit. Visitors to the zoo have been giving cigarettes to the red apes for years. (AP Photo/Centre for Orangutan Protection) EDITORIAL USE ONLY

  • In this Sept. 14, 2011, photo released by the Centre for Orangutan Protection, Tori, a five-year-old male orangutan, smokes at the Taru Jurug Zoo in Solo, central Java, Indonesia. A wildlife activist said, unlike Malaysia, zoo officials in Indonesia are taking no steps to help smoking orangutans kick the habit. Visitors to the zoo have been giving cigarettes to the red apes for years. (AP Photo/Centre for Orangutan Protection) EDITORIAL USE ONLY

  • In this Jan. 10, 2011, photo released by the Centre for Orangutan Protection, Tori, a five-year-old male orangutan, smokes at the Taru Jurug Zoo in Solo, central Java, Indonesia. A wildlife activist said, unlike Malaysia, zoo officials in Indonesia are taking no steps to help smoking orangutans kick the habit. Visitors to the zoo have been giving cigarettes to the red apes for years. (AP Photo/Centre for Orangutan Protection) EDITORIAL USE ONLY