HAYMARKET, Va. (KDKA) — A Virginia woman died early Friday after police say she was riding on a mattress placed on top of a moving van and fell off.

According to the Washington Post, officers responded around 6:40 a.m. to a report of a single vehicle crash in Prince William County.

An investigation found that 20-year-old Sideny Zelaya Gonzalex was riding on an unsecured mattress on top of a van when the mattress came off.

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The driver of the van was a 41-year-old woman. Police say speed and alcohol are not considered factors in the crash.

Officer Nathan J. Probus, a spokesman for Prince William County police, said the accident was not the result of a “joyride,” but that the women were trying to transport the mattress.

“It’s a bizarre case,” he said. “I don’t remember ever having to deal with a situation like this.”

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