Many teenagers have the energy …
Most teenagers don`t get enough…
Teenagers are often in a bad ... in the morning
Everyone goes through … stages of sleep.
There are … kinds of dreams.
You sleep … during stages 3-4.
How much water we should drink a day depends on …
At night our body produces the …
You dream four to six times during the …
Not to have troubles with your sleep you should avoid ...
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для контролю знань і залучення учнів
до активної роботи у класі та вдома