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OTRC: Actress Tilda Swinton sleeps in glass box for museum performance (Photos)

Actress Tilda Swinton is sleeping in a glass box. Yes, you read that correctly.

The 52-year-old actress, who won an Oscar for her 2007 role in the drama film "Michael Clayton," has reportedly been sleeping in a glass box at New York's Museum of Modern Art for her piece titled, "The Maybe," according to Reuters.

The actress can be seen in photos from Gothamist's website donning shoes, a light blue button-up shirt and dark blue pants, while lying on white bedding with her eyeglasses beside her (See photos below).

"Living artist, glass, steel, mattress, pillow, linen, water, and spectacles," said a description card of her performance piece called "The Maybe."

The website, which covers news in New York, cites an unnamed museum source as saying that her appearances are completely unannounced, and that staff don't even know she's arriving until the day of. The performance is supposed to continue at random, unscheduled times throughout the year.

This isn't Swinton's first time taking part in the bizarre performance piece, having performed it in 1995 in London.

Recently, Swinton made her debut in David Bowie's new, sexy music video, "The Stars (Are Out Tonight)," which sees the two shopping in a supermarket and being tormented by a celebrity couple.

In the music video for "The Stars (Are Out Tonight)," which contains nudity and sexual scenes, Swinton wears a curly wig while shopping for groceries with Bowie and later ditches it in favor of her natural short, choppy hair. The two are "a happily married couple," according to the video's synopsis, which was posted on Bowie's Facebook page. Watch the music video HERE. (Warning: NSFW, contains nudity, other sexual content)

Check out photos of Swinton's performance piece below, courtesy of Ming Chen Liao.

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