After Junk Food, Its Junk Sleep Now

Our teenagers are now in the clutches of a new disorder-JUNK SLEEP.This is a type of disturbed sleep, where teenagers are not able to take sound sleep.On an average every individual in teenage requires eight hours of sound sleep.If this sleep is disturbed then the behaviour of child also disturbs.Such child is not able to concentrate in studies, sleeps during class and remains lazy throughout the day.
This is because teenagers are engaged in late night chatting and smsing to their friends.
The doctors say that the chemical helpful for better sleep is known as Melatonin and is secreted in night for three times :- At around 10-11 pm; At around 2 am; At around 5 am.
If one avoids this time, the sleep is also disturbed and in teenagers, it is called -JUNK SLEEP.
The time of dinner should be at least two hours before sleep and teenagers and even elderly should avoid junk food as well.