Austin Butler believes in practicality.

And the Oscar nominee’s forward thinking led to some interesting antics on the set of his new film Caught Stealing , including spending the night on set in just his underwear.

“I had a night where I had to get up early the next day,” Austin exclusively told E! News at the film’s New York City premiere Aug. 26, “and it seemed like there was a cozy bed that I could sleep in.”

The 34-year-old joked, “Might as well.”

But as Austin explained, it’s not as if he was sleeping in an actual apartment where they were filming the Darren Aronofsky -directed movie , which hits theaters Aug. 29 .

“We filmed in Brooklyn and it was a sound stage,” he noted, “which is inherently—it feels very fake.”

Still, spending all that time in N

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