Scientists studied the sleep habits of some 2,200 high school students and found that about 47 percent were getting less than the recommended eight hours of sleep each night.
Teadlased uurisid umbes 2200 keskkooliõpilase magamisharjumusi ja leidsid, et 47 protsenti neist magas öösel vähem kui soovitatavad kaheksa tundi.