Aims and objectives. To examine caregiver sleep quality, especially in relation to the daytime and night-time behaviours and
psychological symptoms exhibited by persons with dementias.
Background. Caregivers of persons with dementias experience poorer sleep in comparison with noncaregivers, and poor
sleep is related to negative health outcomes. The reasons for caregivers’ poor sleep are complex, and it is known that the
night-time behaviours of the persons with dementia contribute to caregiver sleep disruption. However, the frequency of
behavioural and psychological symptoms of dementia has hitherto not been sufficiently explored as a contributing factor to
poor caregiver sleep.