🔬 Everyday Science

According to the National Sleep Foundation, how many hours of sleep are generally recommended for healthy adults (18-64 years) per night?

A 5-6 hours
B 7-9 hours
C 9-10 hours
D 10-12 hours

✓ Correct Answer: Option B

Most health organizations, including the National Sleep Foundation, recommend 7-9 hours of sleep per night for adults aged 18-64 to maintain optimal health and cognitive function.

💡 Why is B) the correct answer?

The correct answer to the question "According to the National Sleep Foundation, how many hours of sleep are generally recommended for healthy adults (18-64 years) per night?" is Option B: 7-9 hours.

The other options — A) 5-6 hours, C) 9-10 hours, D) 10-12 hours — are incorrect for this Everyday Science question. As explained above: Most health organizations, including the National Sleep Foundation, recommend 7-9 hours of sleep per night for adults aged 18-64 to maintain optimal health and cognitive function.

📚 About This Everyday Science Practice Question

This 1-level Everyday Science question from the Human Body & Biology topic is part of One Paper Preparation's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free Everyday Science practice test or use flashcards for spaced repetition review.

Related Everyday Science Questions