Test 3 1. Read the text Match the headings (1-5) with the texts (A- D). There is one extra heading. 1. How do animals dream? 2. Why do people have nightmares? 3. What happens to our bodies when we sleep? 4. What have people been sleeping on? 5. How often do people see dreams when they sleep? A. Stress, fear, anxiety and sadness-all these feelings can fuel disturbing dreams. Having a bad dream can wake you up and make you feel scared. Scary dreams in other words. nightmares, can be caused by anything - something you have seen or experienced, a scary TV show, a horror story, computer game, or even just a shadow on the wall! B. For thousands of years people slept on piles of dead plants and animal furs Gradually, bed frames and mattresses became more widely used and the beds themselves more comfortable, eventually becoming the cosy bed you'll sleep in tonight. During the Middle Ages, many slept on straw- stuffed sacks. This is where the popular saying "hit the hay" came from. C. 12% of us dream in black and white! When we dream in colour it tends to be in soft pastel colours. We dream about 3 to 6 times a night ranging from 5 to 20 minutes for each dream. That means we could dream of an average of 6 years in a lifetime. D. Your digestive system slows down at night.Not getting enough sleep can affect our hormones, making us feel hungry. Your brain stays active when you drift off.Growth hormones are released while you sleep, helping your body grow and repair itself.

1. How do animals dream? - C. $12\% $ of us dream in black and white! When we dream in colour it tends to be in soft pastel colours. We dream about 3 to 6 times a night ranging from 5 to 20 minutes for each dream. That means we could dream of an average of 6 years in a lifetime.<br /><br />2. Why do people have nightmares? - A. Stress, fear, anxiety and sadness - all these feelings can fuel disturbing dreams. Having a bad dream can wake you up and make you feel scared. Scary dreams, in other words, nightmares, can be caused by anything -- something you have seen or experienced, a scary TV show, a horror story, computer game, or even just a shadow on the wall!<br /><br />3. What happens to our bodies when we sleep? - D. Your digestive system slows down at night. Not getting enough sleep can affect our hormones, making us feel hungry. Your brain stays active when you drift off. Growth hormones are released while you sleep, helping your body grow and repair itself.<br /><br />4. What have people been sleeping on? - B. For thousands of years people slept on piles of dead plants and animal furs. Gradually, bed frames and mattresses became more widely used and the beds themselves more comfortable, eventually becoming the cosy bed you'll sleep in tonight. During the Middle Ages, many slept on straw-stuffed sacks. This is where the popular saying "hit the hay" came from.<br /><br />5. How often do people see dreams when they sleep? - C. $12\% $ of us dream in black and white! When we dream in colour it tends to be in soft pastel colours. We dream about 3 to 6 times a night ranging from 5 to 20 minutes for each dream. That means we could dream of an average of 6 years in a lifetime.