Bright light therapy and melatonin in motor restless behaviour in dementia: a placebo-controlled study.

Objective: The purpose of this study was to evaluate the effects of bright light therapy combined with melatonin on motor restless behaviour in dementia.

Design: Double-blind, placebo-controlled, cross-over trial consisting of four periods. One week wash-out was followed by a 2-week period of light therapy in combination with placebo or melatonin.