10 янв 2013 г. - Physical Development 12-16 years Sleep Schedule is naturally shifted to a later time. At this age, it is difficult to stay awake early in the morning and as a result, it is harder to sleep at the "usual" sleeping times back as a child. This is absolutly normal and many adolescence struggle with this sleeping dilemma.
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10 янв 2013 г.
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~ 12 г назад