Gasping teenagers can be helped by new fluorescent lamps in schools. When researchers changed lighting in classroom the students became more alert in the morning and got a better nightsleep.

Results are so good that other schools are getting interested in lighting in schools, says Arne Lowden. a researcher in a stress research institute in the Stockholm University.

In the darkest wintertime in two classrooms regular yellowish fluorescent lamps were changed to so called full spectrum fluorescent lamps. The classrooms were the students homeclassrooms so they had almost all their lessons there.

During the weeks of research was e.g. the melatonin level that controls sleep, measured. The levels become lower and the students were more alert. In the evening were the students more tired. When sleeping they didn´t move as much as earlier because their sleep was more effective. (more…)