Taylor Swift slept with this Coop Pillow during the Eras Tour

Being the world's biggest pop star can be a pretty exhausting endeavor—though it's one that Taylor Swift seems to relish (rather energetically) in.

The nearly four-hour-long shows, the multi-year tours, the countless album cycles; I get tired just trying to wrap my head around everything Swift has accomplished over the last four years, but somehow, she never shows any signs of fatigue (or any interest in slowing down, for that matter).

And in her latest interview , the superstar musician might've just clued us in on how exactly she maintains her otherworldly stamina—and ensures quality rest night after night, whether she's on the road of her record-breaking Eras Tour or at home. Enter in: The Coop Sleep Adjustable Pillow .

Late Wednesday night, Swift took to "The Late Show