Sleep, Pre-Teens & Puberty

A new study suggests that sleep changes in pre-teens may occur before the physical changes of puberty. The results were published Dec. 1 in the journal Sleep.The Israeli study involved 94 healthy children from five schools. They were between the ages of 10 and 11 years when the study began.The children completed sleep diaries to track their sleep-wake patterns. They also wore an actigraph on