NEWARK, N.J. (CBSNewYork/AP) — Dr. Mehmet Oz is being sued over a sleep tip.

A New Jersey man claims an insomnia cure promoted on “The Dr. Oz Show” left third-degree burns on his feet.

Frank Dietl, 76, of Southampton, N.J., filed a lawsuit in Manhattan state Supreme Court.

Dietl was confined to his bed for weeks after using the so-called “knap-sack heated rice footsie” that was promoted on April 17, 2012.

Oz recommended filling a pair of socks with uncooked rice and warming them up in a microwave oven and putting them on.

The popular cardiothoracic surgeon said leaving them on for 20 minutes would promote better sleep.

He warned not to get the socks too hot in the microwave.

“There were no proper instructions or proper warnings,” Dietl’s attorney Dominick Gullo told the Daily News. “There were no warnings to anybody with neuropathy to not try it.”

Dietl told the Daily News he did not realize how hot the socks were until he got up in the middle of the night and tried to walk.

Gullo said he could not specify how long his client left the socks in the microwave.

“The Dr. Oz Show” said it couldn’t comment until it could review the lawsuit.

Oz was sued by his neighbors  in 2010 who claimed the famous doctor planted trees next to their Cliffside Park property that destroyed their view of the Manhattan skyline.

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