The Effect of Bright Light Treatment on Rest-Activity Rhythms in People with Dementia: A 24-Week Cluster Randomized Controlled Trial.

Clocks Sleep · 2021 · PMC8482074 · PMID 34563054

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did not reach statistical significanceno p-value reported

At the 8- and 24-week follow-ups, the control group was 30 min delayed from baseline compared to the intervention group, but this difference did not reach statistical significance.

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