When raising children, it is necessary to pay attention to their behavior, because some changes can indicate the presence of disorders of psychological development.
If, for example, you notice that a child who has just had fun playing and suddenly became sad, irritable, such mood swings can indicate the presence of a nervous breakdown.
In addition, we should not ignore the fact, if it is disturbed sleep, meant as lack of sleep and constant drowsiness. Most nutritionists do not recommend to encourage your child to eat if he does not want to, but if you’ve noticed that for a long time he had no appetite, or vice versa, it is often for many, it is also worth paying attention to.
On the abnormal development of the mind can indicate that factor, if a child intentionally inflicts itself different kinds of physical damage, for example, constantly bites his nails, biting her lips, and other actions. In such cases, the sooner you consult a doctor, the better.Source: www.goodshelp.com