In a survey of 3,000 U.S. students 17 to 19 years of age, however, 85 percent were getting less than adequate sleep.
Kuid kolme tuhandet 17 — 19 - aastast USA koolinoort hõlmanud uuringu käigus selgus, et 85 protsendil neist jääb unetarve rahuldamata.