Answer following questions in about 40 words.
Q1) What is the most obvious advantage of sleep?
Ans1) It helps our body and brain to recover from fatigue.
Q2) What happens to our body when we sleep?
Ans2) a) Our muscles relax.
b) Our heart beat becomes slower.
c) Our temperature and blood pressure go down.
d) The activity of the brain slows down
Q3) Define a dream in your own words?
Ans3) A dream is a mental activity when we sleep.
Q4) Why did dreams important for us? Mention two reasons?
Ans4) a) Dreams help us sleep through noise and disturbances.
b) Dreams may reveal much about one’s problems and provide a key to their solution.
Q5) Why has sleep been called a wonder?
Ans5) Sleep recovers us from fatigue. It refreshes us from the day’s work. Dreams which we see in sleep help us in many ways.