Why Do Koalas Spend So Much Time Resting?

A koala may rest or sleep for much of the day—roughly 18–20 hours, while some reference sources give estimates of up to 22 hours. Duration varies by animal and conditions, so this is not an exact daily schedule for every koala. Their diet consists mostly of eucalyptus leaves, which provide little energy; extended rest helps conserve it. The illustration is AI-generated.