University of Connecticut Mar 4 2026 Teenagers across the country are getting less sleep, a researcher from the University of Connecticut reports on March 2nd, 2026, in JAMA . And the problem appears to be societal. Teens not getting enough sleep has been reported as a problem in the medical literature since at least the turn of the 20th century: a 1905 study in The Lancet of the sleep hours of boys in British boarding schools worried that they were not getting enough sleep due to nighttime