Tilda Swinton naps in public

Why yes.

That was Tilda Swinton, sleeping in a glass box at New York's Museum of Modern Art.

The work was described as "living artist, glass, steel, mattress, pillow, linen, water, and spectacles."

According to the New York Daily News, the Oscar winner's installation is part of a performance art series called "The Maybe," which first premiered in 1995 at London's Serpentine Gallery.

We love Swinton, who's unconventional and smart and very cool.

Tilda Swinton takes a nap at MoMA

Actress Tilda Swinton slept in a glass box as a part of her new exhibition at the Museum of Modern Art. The performance art piece is all random. Powered by NewsLook.com

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Just don't count on swinging by to check out the actress. She will appear several times, but the dates are a mystery to everyone, including museum employees.