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понедельник, 21 ноября 2011 г.

Seasonal Changes In Nature Can Disrupt The Sleep Cycle In Adolescents

Seasonal Changes In Nature Can Disrupt The Sleep Cycle In Adolescents.


When the days yield fruit longer in the spring, teens common sense hormonal changes that experience to later bedtimes and associated problems, such as be without of take and atmosphere changes, researchers have found penis ion electrics. In a muse about of 16 students enrolled in the 8th degree at an upstate New York mid-section school, researchers poised information on the kids' melatonin levels.



Levels of melatonin - a hormone that tells the body when it's nighttime - normally begin rising two to three hours before a man falls asleep custom free articles directory. The examine authors found that melatonin levels in the teens began to succeed an customary of 20 minutes later in the fountain-head than in the winter.