Sleep duration and psychological well-being among New Zealanders

To identify the prevalence of short and long sleep duration and examine the relationship between sleep duration and psychological well-being among New Zealand adults. Multiple regression using data from the New Zealand Attitudes Values Study postal questionnaire. New Zealand Attitudes Values Study respondents in 2014, 2015, and/or 2016 (Ns =15,820, 13,942, and 21,937). Participants were asked, “During the past month, on average, how many hours of actual sleep did you get per night?” They also reported their demographic characteristics, physical and psychological health, and personality traits. Most New Zealanders reported having optimal sleep duration (7 to