Giraffes sleep about thirty minutes a day.

The giraffe is one of the rare mammals that requires very little sleep, resting approximately 30 minutes per day, usually in short periods of 1 to 5 minutes. This remarkable adaptation results from its vulnerable prey status on Africa's open savannas, where vigilance is a matter of survival. Remaining awake most of the time allows it to quickly detect the approach of predators such as lions or hyenas.

The giraffe's nervous system has adapted to function efficiently with this minimal rest. Its brain can rest partially while one part remains alert, a form of sleep called unihemispheric sleep. This remarkable ability, combined with its great height and running speed (up to 60 km/h), constitutes an overall survival strategy in its harsh environment.

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