jan 10, 2013 - 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.
Added to timeline:
Date:
jan 10, 2013
Now
~ 12 years ago