CHICAGO (CBS) — A babysitter was arrested this week, after the couple who hired her came home and found her extremely drunk, police said.

WBBM Newsradio’s Bernie Tafoya reports police said the 23-year-old woman was babysitting a 13-month-old Monday afternoon, in the 500 block of West Huron Street, while the child’s parents went out for a few hours.

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When the couple returned, they found the babysitter slumped against the kitchen counter.

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An ambulance took the babysitter to the hospital. According to a police report, her blood alcohol level was 0.36 – more than four times the legal limit of 0.08 for driving.

The babysitter, Jessica M. Vaughan, was charged with misdemeanor endangering the life and health of a child.

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The toddler she was hired to babysit was not harmed.