1. What is the most obvious advantage of sleep?
Ans: The most obvious advantage of sleep is that it gives rest. It recovers our body from fatigue.
2. What happens to our body when we sleep?
Ans: When we sleep, our body gets rest. Our heartbeat becomes slow. Our temperature and blood pressure go down.
3. Define a dream in your own words.
Ans: A dream is an activity of the mind which takes place when we are asleep.
4. Why are dreams important? Mention two reasons.
Ans: Dreams are important due to following reasons:
(i) They help us to sleep through noise and disturbances.
(ii) They provide solutions to one’s problems.
5. Why has sleep been called a wonder?
Ans: Sleep has been called a wonder because nobody knows what causes sleep. Sleep helps our body to relax and get ready for the next day activities.