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Reading comprehension worksheet about dolphin sleep habits with true-or-false questions and short-answer prompts.
Worksheet

How Do Dolphins Sleep Without Drowning?

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This printable science worksheet presents a short informational text about how dolphins sleep with only half their brain at a time, followed by comprehension questions. Students answer why dolphins must stay half awake, describe what dolphins do while resting, and respond to true-or-false statements about dolphin physiology. Useful for science reading practice, animal-behavior units, or reading comprehension homework.

Subject:
Science
Topic:
Animals
Grade Level:
3rd – 5th Grades
Updated July 2026

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