Trends in the duration of school-day sleep (Dollman et al., 2007)
‘Sleep time appears to have been declining in Western populations for over a century’ (Dollman et al., 2007, p. 1011). This study used questionnaires issued in two separate time periods, to ascertain patterns of sleep duration in children and adolescents. In 1985, 390 South Australian students were surveyed and in…