Put Your Brain To The Test: Try To Solve These Challenging Riddles Solo!

I run but never walk and have a bed but never sleep. What am I?

Retry Correct Incorrect A river runs through all sorts of the world’s landmarks, but nobody ever describes it as walking. And while a river doesn’t sleep, the term “river bed” shouldn’t be unfamiliar.

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Sepia Times/Universal Images Group via Getty Images

Sepia Times/Universal Images Group via Getty Images

I run but never walk and have a bed but never sleep. What am I?

• A robot
• A river
• A criminal at large
• A caffeine addict