I pushed myself through 7 brutal, extreme challenges over 24 hours. No sleep, no mercy, just me trying not to break under the chaos. If you like over-the-top endurance tests, this one’s for you.

What seemed like a fun challenge turned into a freezing, uncomfortable, and unforgettable 24 hours inside a cardboard box.

A 36-year-old woman, who was participating in a YouTube survival challenge, was rescued after spending nearly 18 hours in the ...