PET - Deep Sleep

Read the text below and choose the correct word for each space. Deep sleep is important for ............... (1) . The actual ............... (2) of sleep you need depends ............... (3) your age. A young child ............... (4) to sleep ten to twelve hours, and a teenager about nine hours. Adults differ a lot in their sleeping ............... (5) . For most of them, seven to eight hours a night is ............... (6) , but some sleep longer, while others manage with only four hours. For a good night, having a comfortable ............... (7) to sleep is very important. Also, there should be ............... (8) of fresh air in the room. A warm drink sometimes helps people to sleep, ............... (9) it is not a good idea to drink coffee immediately before going to bed. ............... (10) you have to travel a very long distance, try to go to bed earlier than usual the day before the ............... (11) . This will help you to feel more rested when you arrive.

1. everyone     each     someone     both     

2. amount     sum     size     number     

3. on     in     of     to     

4. could     ought     should     must     

5. actions     habits     ways     manners     

6. well     few     enough     less     

7. position     point     part     place     

8. plenty     several     much     many     

9. because     although     even     as     

10. Until     Since     If     After     

11. call     journey     visit     voyage