Sleepy Teens Need to See the Light

A new study reports that teen sleep patterns may be disrupted by a lack of exposure to morning sunlight.The study took place at a middle school in Chapel Hill, N.C., that has good daylight design. South-facing skylights allow plenty of natural light to enter nearly all spaces of the building.Eleven eighth-grade students wore orange goggles for a five-day school week. The goggles prevented