Sleep patterns can vary during teenage years. Many teens have the energy to play computer games until lat at night but cannot fint energy to get out of bed in time for e school. A new research study suggests that the hormonal upheaval of puberty could be causing adolescents to love to lie-in. but loathe an early night sleep is crucial for teenagers because while they are snoozing they release a hormone that is essential for their growth. 5 Therefore, they need more tti children and adults. but thoy ge ess than either At nighttime the body produces increased levels of the darkness hormone melatonin, which helps us to fall asleep Most adults start to produce melatonin at about 10 pm when teenagers were studied in a sleep laboratory, researchers discovered that they only began to produce the hormone at 1 am. This delay in melatonin production might be caused by the behavior of teenagers. When they stay up late, they often play computer games or watch television. This stimulates the brain and exposes the teenagers to bright lights which could cause the later release of melatonin on the other hand, the hormonal upheaval of puberty could be pushing the melatonin release back, in which case teenagers are being kept awake by their bodies-they simply cannot help their peculiar sleeping behavior