Question

Why do ....we sleep....(we / sleep)? From birth, we 2............. (spend) a third of our lives asleep but scientists still 3.............(not/know) exactly why.

Why 4...........(humans / have) problems sleeping? In modern society, many people 5.......(not/get) the recommended seven or eight hours a night. We 6.......(work) long hours and we rarely 7........(go) to bed at sunset.

Why 8........(we/ sleep) differently? It 9.......(depend) on the time of year and also our age. Teenagers always 10.............(need) more sleep than adults. Lots of elderly people 11........(not/ sleep) longer than four or five hours, but they often 12.........(take) naps during the day. ​

Answer 1

2. spend

3. don't know

4. do humans have

5. dont get

6. work

7. go

8. do we sleep

9. depends

10. need

11. don't sleep

12. take

succes

Answer 2

Sper ca te-am ajutat! succes !