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We often picture giraffes gracefully walking across the African savannah. But did you know that this unique animal sleeps only about 20 to 30 minutes a day? Today, let's explore the extraordinary sleep habits of giraffes and the evolutionary logic behind them.     Only 20 Minutes a Day – Among the Shortest Sleep in the Animal Kingdom Most mammals enjoy several hours of sleep, but giraffes are different. Studies show that giraffes survive on just 20 to 30 minutes of sleep per day . Even this is broken into short intervals, with giraffes taking quick naps of 1 to 5 minutes mostly during the night. Why Do They Sleep So Little? The answer lies in their ecological environment. Living in open grasslands makes giraffes vulnerable to predators . Their long legs and large bodies make lying down and standing up slow and risky. So, staying alert and ready to flee is a key survival strategy .     What Does a Giraffe’s Sleep Posture Look Like...