8 Animals That Do Not Sleep

1. The bullfrog can go without sleep for long periods, using rest to conserve energy instead.

2. Giraffes sleep only for short bursts, totalling around 30 minutes per day.

3. Dolphins sleep with only half their brain at a time, allowing them to remain alert.

4. The alpine swift can stay in the air for months without landing or sleeping.

5. Ants take brief naps throughout the day, totalling around 250 minutes of sleep per day.

6. Some species of sharks never sleep, as they need to keep moving to breathe.

7. African elephants can stay awake for days during migration and other critical activities.

8. Some birds, like the common swift, engage in "microsleeps" while flying to conserve energy.

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