Most of us like to watch TV before bed. Maybe read a book, or have a cup of tea. Samantha Briggs prefers a “little” gymnastics practice that would have most of us out of the gym for the rest of the week. She recently shared her nighttime training on Instagram — undoubtedly a total body workout targeting grip and core strength, and seriously testing your skin-the-cat skills. How does anyone get this strong?!

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