← Research / Sunlight

Patient room lighting influences on sleep, appraisal and mood in hospitalized people

RCTWikiSunlightHigh confidence
Read full paper →
AuthorsMarina C. Giménez, Leonie M. Geerdinck, Mathijs O. Versteylen, Pieter Leffers, Gaby J. B. M. Meekes, Hannelore Herremans, Boris de Ruyter, Jan Willem Bikker, Petra Kuijpers, Luc J. M. Schlangen
JournalJournal of Sleep Research
Year2016
DOI10.1111/jsr.12470
Citations99

TL;DR

A dynamic lighting system with bright daytime light and dim nighttime light improved objective sleep duration by nearly 30 minutes over five days in hospitalized patients, suggesting that carefully managed light exposure can positively impact sleep.

What they tested

This study investigated how a specific lighting intervention in hospital rooms affected patients' sleep, mood, and their perception of the lighting environment.

  • Intervention: A dynamic 24-hour lighting system designed to mimic natural light
Read full paper →More Sunlight

Related papers

RCT

The Can-SAD Study: A Randomized Controlled Trial of the Effectiveness of Light Therapy and Fluoxetine in Patients With Winter Seasonal Affective Disorder

Raymond W. Lam, Anthony Levitt, Robert D. Levitan +4 more · 2006

RCT

Vitamin D vs broad spectrum phototherapy in the treatment of seasonal affective disorder.

F. Michael Gloth, Waqas Alam, Bruce W. Hollis · 1999

Observational

Impact of Windows and Daylight Exposure on Overall Health and Sleep Quality of Office Workers: A Case-Control Pilot Study

Mohamed Boubekri, Ivy N. Cheung, Kathryn J. Reid +2 more · 2014

RCT

Light Therapy in Seasonal Affective Disorder Is Independent of Time of Day or Circadian Phase

Anna Wirz‐Justice · 1993