Ст 50 True /False

Many teenagers have the energy to play computer games until late at night..

At night our body produces the darkness hormone melatonin..

The fact that they play computer games and watch tv at night simutates the brain even more and ..

Hormone melatonin helps us to fall asleep.

Most teenagers get enough sleep.

They didn't notice their students did much better in class.

New research suggests that the reason for such behaviour maybe the hormonal changes of puberty.

The results in bad moods and sometimes depression.

We can find the energy to get out of bed in time for school.

Research has shown that teenagers don't start to produce the hormone at 1a.m