Circadian-related sleep disorders and sleep medication use in the New Zealand blind population : an observational prevalence survey

Determines, via a telephone survey incorporating 62 questions on sleep habits and medication (together with validated questionnaires on sleep quality, chronotype and seasonality) the prevalence of self-reported circadian-related sleep disorders, sleep medication and melatonin use in the New Zealand blind population. Source: National Library of New Zealand Te Puna Matauranga o Aotearoa, licensed by the Department of Internal Affairs for re-use under the Creative Commons Attribution 3.0 New Zealand Licence.