Ambient bright light treatment improved proxy-rated sleep but not sleep measured by actigraphy in nursing home patients with dementia: a placebo-controlled randomised trial.
Gunnhild Johnsen HjetlandEirin KolbergStåle PallesenEirunn ThunInger Hilde NordhusBjørn BjorvatnElisabeth Flo-GroeneboomPublished in: BMC geriatrics (2021)
ClinicalTrials.gov Identifier: NCT03357328 . Registered 29 November 2017 - Retrospectively registered.