The impact of daytime light exposures on sleep and mood in office workers

doi:10.1016/J.SLEH.2017.03.005

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The impact of daytime light exposures on sleep and mood in office workers

Journal Article•DOI•

The impact of daytime light exposures on sleep and mood in office workers

Mariana G. Figueiro¹, Bryan Steverson², Judith Heerwagen², Kevin Kampschroer², Claudia M. Hunter¹, Kassandra Gonzales¹, Barbara Plitnick¹, Mark S. Rea¹ - Show less +4 more•Institutions (2)

Rensselaer Polytechnic Institute¹, General Services Administration²

01 Jun 2017-Sleep Health (Elsevier)-Vol. 3, Iss: 3, pp 204-215

TL;DR: This study is the first to measure personal light exposures in office workers using a calibrated device that measures circadian‐effective light and relate those light measures to mood, stress, and sleep and underscores the importance of daytime light exposures for sleep health.

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About: This article is published in Sleep Health.The article was published on 2017-06-01. It has received 173 citations till now. The article focuses on the topics: Sleep onset latency & Circadian rhythm.

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Journal Article•DOI•

Suprachiasmatic nucleus: the mind's clock

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John Money¹•Institutions (1)

Johns Hopkins University¹

01 Jun 1993-Electroencephalography and Clinical Neurophysiology

409 citations

Journal Article•DOI•

Health consequences of electric lighting practices in the modern world: A report on the National Toxicology Program's workshop on shift work at night, artificial light at night, and circadian disruption

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Ruth M. Lunn¹, David E. Blask², Andrew N. Coogan³, Mariana G. Figueiro⁴, Michael R. Gorman⁵, Janet E. Hall¹, Johnni Hansen, Randy J. Nelson⁶, Satchidananda Panda⁷, Michael H. Smolensky⁸, Richard G. Stevens⁹, Fred W. Turek¹⁰, Roel Vermeulen¹¹, Tania Carreón¹², Claire C. Caruso¹², Christina C. Lawson¹², Kristina A. Thayer¹, Michael J. Twery¹, Andrew Ewens¹³, Sanford C. Garner¹³, Pamela J. Schwingl¹³, Windy A. Boyd¹ - Show less +18 more•Institutions (13)

National Institutes of Health¹, Tulane University², Maynooth University³, Rensselaer Polytechnic Institute⁴, University of California, San Diego⁵, The Ohio State University Wexner Medical Center⁶, Salk Institute for Biological Studies⁷, University of Texas at Austin⁸, University of Connecticut⁹, Northwestern University¹⁰, Utrecht University¹¹, National Institute for Occupational Safety and Health¹², Durham University¹³

31 Dec 2017-Science of The Total Environment

TL;DR: An expert panel suggested describing light both as a direct effector of endogenous circadian clocks and rhythms and as an enabler of additional activities or behaviors that may lead to circadian disruption, such as night-shift work and atypical and inconsistent sleep-wake patterns that can lead to social jet lag.

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235 citations

Cites background from "The impact of daytime light exposur..."

...Studies have shown that higher levels of light during the daytime, including exposure to daylight, are associated with better sleep andmood in office workers (Boubekri et al., 2014; Figueiro et al., 2017)....
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...Studies have shown that higher levels of light during the daytime, including exposure to daylight, are associated with better sleep and mood in office workers (Boubekri et al. 2014; Figueiro et al. 2017)....
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Journal Article•DOI•

Effects of light on human circadian rhythms, sleep and mood

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Christine Blume¹, Christine Blume², Corrado Garbazza¹, Manuel Spitschan¹, Manuel Spitschan³ - Show less +1 more•Institutions (3)

University of Basel¹, University of Salzburg², University of Oxford³

20 Aug 2019

TL;DR: The current state of knowledge regarding the effects of light on circadian rhythms, sleep, and mood is reviewed to improve sleep, mood and general well-being.

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Abstract: Humans live in a 24-hour environment, in which light and darkness follow a diurnal pattern. Our circadian pacemaker, the suprachiasmatic nuclei (SCN) in the hypothalamus, is entrained to the 24-hour solar day via a pathway from the retina and synchronises our internal biological rhythms. Rhythmic variations in ambient illumination impact behaviours such as rest during sleep and activity during wakefulness as well as their underlying biological processes. Rather recently, the availability of artificial light has substantially changed the light environment, especially during evening and night hours. This may increase the risk of developing circadian rhythm sleep–wake disorders (CRSWD), which are often caused by a misalignment of endogenous circadian rhythms and external light–dark cycles. While the exact relationship between the availability of artificial light and CRSWD remains to be established, nocturnal light has been shown to alter circadian rhythms and sleep in humans. On the other hand, light can also be used as an effective and noninvasive therapeutic option with little to no side effects, to improve sleep, mood and general well-being. This article reviews our current state of knowledge regarding the effects of light on circadian rhythms, sleep, and mood.

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226 citations

Cites background from "The impact of daytime light exposur..."

...Several studies report that daytime exposure to white light enriched in shortwavelength content was associated with increased evening fatigue [91], and sleep quality [16, 39, 91], decreased sleep-on-set latency [39], and increased slow-wave sleep accumulation [92], which is related to the dissipation of the homeostatic sleep pressure [1, 14, 34]....
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Journal Article•DOI•

Why artificial light at night should be a focus for global change research in the 21st century

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Thomas W. Davies¹, Thomas W. Davies², Timothy J Smyth³•Institutions (3)

University of Exeter¹, Bangor University², Plymouth Marine Laboratory³

01 Mar 2018-Global Change Biology

TL;DR: It is concluded that the growing use of night-time lighting will continue to raise numerous ecological, human health and cultural issues, but that opportunities exist to mitigate its impacts by combining novel technologies with sound scientific evidence.

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Abstract: The environmental impacts of artificial light at night have been a rapidly growing field of global change science in recent years. Yet, light pollution has not achieved parity with other global change phenomena in the level of concern and interest it receives from the scientific community, government and nongovernmental organizations. This is despite the globally widespread, expanding and changing nature of night-time lighting and the immediacy, severity and phylogenetic breath of its impacts. In this opinion piece, we evidence 10 reasons why artificial light at night should be a focus for global change research in the 21st century. Our reasons extend beyond those concerned principally with the environment, to also include impacts on human health, culture and biodiversity conservation more generally. We conclude that the growing use of night-time lighting will continue to raise numerous ecological, human health and cultural issues, but that opportunities exist to mitigate its impacts by combining novel technologies with sound scientific evidence. The potential gains from appropriate management extend far beyond those for the environment, indeed it may play a key role in transitioning towards a more sustainable society.

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196 citations

Cites background from "The impact of daytime light exposur..."

...…images or novel approaches that can disentangle the effects on both ecology and human health of multiple urban pollutants that covary is clear, although individual-level sensors can also reveal important impacts of daily light exposure on circadian disruption and stress (Figueiro et al., 2017)....
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...The need for higher resolution images or novel approaches that can disentangle the effects on both ecology and human health of multiple urban pollutants that covary is clear, although individual-level sensors can also reveal important impacts of daily light exposure on circadian disruption and stress (Figueiro et al., 2017)....
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Journal Article•DOI•

Circadian rhythms and exercise — re-setting the clock in metabolic disease

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Brendan M. Gabriel¹, Juleen R. Zierath², Juleen R. Zierath¹•Institutions (2)

Karolinska Institutet¹, University of Copenhagen²

01 Apr 2019-Nature Reviews Endocrinology

TL;DR: This Review summarizes the current literature regarding the consequence of exercise at different times of the day and exercise can reset the molecular circadian clock, thereby effectively ameliorating the negative effects of disrupted sleep patterns.

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Abstract: Perturbed diurnal rhythms are becoming increasingly evident as deleterious events in the pathology of metabolic diseases. Exercise is well characterized as a crucial intervention in the prevention and treatment of individuals with metabolic diseases. Little is known, however, regarding optimizing the timing of exercise bouts in order to maximize their health benefits. Furthermore, exercise is a potent modulator of skeletal muscle metabolism, and it is clear that skeletal muscle has a strong circadian profile. In humans, mitochondrial function peaks in the late afternoon, and the circadian clock might be inherently impaired in myotubes from patients with metabolic disease. Timing exercise bouts to coordinate with an individual's circadian rhythms might be an efficacious strategy to optimize the health benefits of exercise. The role of exercise as a Zeitgeber can also be used as a tool in combating metabolic disease. Shift work is known to induce acute insulin resistance, and appropriately timed exercise might improve health markers in shift workers who are at risk of metabolic disease. In this Review, we discuss the literature regarding diurnal skeletal muscle metabolism and the interaction with exercise bouts at different times of the day to combat metabolic disease.

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171 citations

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The CES-D Scale: A Self-Report Depression Scale for Research in the General Population

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Lenore Sawyer Radloff¹•Institutions (1)

National Institutes of Health¹

01 Jun 1977-Applied Psychological Measurement

TL;DR: The CES-D scale as discussed by the authors is a short self-report scale designed to measure depressive symptomatology in the general population, which has been used in household interview surveys and in psychiatric settings.

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Abstract: The CES-D scale is a short self-report scale designed to measure depressive symptomatology in the general population. The items of the scale are symptoms associated with depression which have been used in previously validated longer scales. The new scale was tested in household interview surveys and in psychiatric settings. It was found to have very high internal consistency and adequate test- retest repeatability. Validity was established by pat terns of correlations with other self-report measures, by correlations with clinical ratings of depression, and by relationships with other variables which support its construct validity. Reliability, validity, and factor structure were similar across a wide variety of demographic characteristics in the general population samples tested. The scale should be a useful tool for epidemiologic studies of de pression.

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48,339 citations

"The impact of daytime light exposur..." refers methods in this paper

...Center for Epidemiologic Studies Depression Scale The Center for Epidemiologic Studies Depression Scale (CES-D) questionnaire is designed to measure depressive symptoms.(40) This 20-item test measure asks how often over the past week participants experienced symptoms associated with depression, such as restless sleep, poor appetite, and feelings of loneliness....
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Journal Article•DOI•

Development and validation of brief measures of positive and negative affect: The PANAS scales.

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David Watson¹, Lee Anna Clark, Auke Tellegen•Institutions (1)

Southern Methodist University¹

30 May 1988-Journal of Personality and Social Psychology

TL;DR: Two 10-item mood scales that comprise the Positive and Negative Affect Schedule (PANAS) are developed and are shown to be highly internally consistent, largely uncorrelated, and stable at appropriate levels over a 2-month time period.

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Abstract: In recent studies of the structure of affect, positive and negative affect have consistently emerged as two dominant and relatively independent dimensions. A number of mood scales have been created to measure these factors; however, many existing measures are inadequate, showing low reliability or poor convergent or discriminant validity. To fill the need for reliable and valid Positive Affect and Negative Affect scales that are also brief and easy to administer, we developed two 10-item mood scales that comprise the Positive and Negative Affect Schedule (PANAS). The scales are shown to be highly internally consistent, largely uncorrelated, and stable at appropriate levels over a 2-month time period. Normative data and factorial and external evidence of convergent and discriminant validity for the scales are also presented.

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Journal Article•DOI•

The Pittsburgh Sleep Quality Index: A new instrument for psychiatric practice and research.

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Daniel J. Buysse, Charles F. Reynolds, Timothy H. Monk, Susan Berman, David J. Kupfer - Show less +1 more

01 May 1989-Psychiatry Research-neuroimaging

TL;DR: The clinimetric and clinical properties of the PSQI suggest its utility both in psychiatric clinical practice and research activities.

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Abstract: Despite the prevalence of sleep complaints among psychiatric patients, few questionnaires have been specifically designed to measure sleep quality in clinical populations. The Pittsburgh Sleep Quality Index (PSQI) is a self-rated questionnaire which assesses sleep quality and disturbances over a 1-month time interval. Nineteen individual items generate seven "component" scores: subjective sleep quality, sleep latency, sleep duration, habitual sleep efficiency, sleep disturbances, use of sleeping medication, and daytime dysfunction. The sum of scores for these seven components yields one global score. Clinical and clinimetric properties of the PSQI were assessed over an 18-month period with "good" sleepers (healthy subjects, n = 52) and "poor" sleepers (depressed patients, n = 54; sleep-disorder patients, n = 62). Acceptable measures of internal homogeneity, consistency (test-retest reliability), and validity were obtained. A global PSQI score greater than 5 yielded a diagnostic sensitivity of 89.6% and specificity of 86.5% (kappa = 0.75, p less than 0.001) in distinguishing good and poor sleepers. The clinimetric and clinical properties of the PSQI suggest its utility both in psychiatric clinical practice and research activities.

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23,155 citations

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...Pittsburgh Sleep Quality Index The Pittsburgh Sleep Quality Index (PSQI) questionnaire is a subjective measure of sleep quality and patterns experienced for themajority of days and nights over the past month.(42) It differentiates poor from good sleep by measuring responses in 7 areas: subjective sleep quality, sleep latency, sleep duration, sleep efficiency, sleep disturbance, use of sleepmedication, and daytime dysfunction....
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Perceived stress in a probability sample of the United States

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Sheldon Cohen¹•Institutions (1)

Carnegie Mellon University¹

01 Jan 1988

4,196 citations

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...Perceived Stress Scale The Perceived Stress Scale (PSS-10) questionnaire assesses participants' thoughts and feelings over the past month by posing 10 questions concerning how often they have thought or felt a specific way.(41) Answers are scored on a 5-point scale ranging from 0 (never) to 4 (almost always)....
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Journal Article•DOI•

The patient-reported outcomes measurement information system (PROMIS) developed and tested its first wave of adult self-reported health outcome item banks: 2005-2008

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David Cella¹, William T. Riley², Arthur A. Stone³, Nan E. Rothrock¹, Bryce B. Reeve², Susan Yount¹, Dagmar Amtmann⁴, Rita K. Bode¹, Daniel J. Buysse⁵, Seung W. Choi¹, Karon F. Cook⁴, Robert F. DeVellis⁶, Darren A. DeWalt⁶, James F. Fries⁷, Richard Gershon¹, Elizabeth A. Hahn¹, Jin Shei Lai¹, Paul A. Pilkonis⁵, Dennis A. Revicki, Matthias Rose⁸, Kevin P. Weinfurt⁹, Ron D. Hays¹⁰ - Show less +18 more•Institutions (10)

Northwestern University¹, National Institutes of Health², Stony Brook University³, University of Washington⁴, University of Pittsburgh⁵, University of North Carolina at Chapel Hill⁶, Stanford University⁷, University of Hamburg⁸, Duke University⁹, University of California, Los Angeles¹⁰

01 Nov 2010-Journal of Clinical Epidemiology

TL;DR: The first large-scale testing of PROMIS item banks and their short forms provide evidence that they are reliable and precise measures of generic symptoms and functional reports comparable to legacy instruments.

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3,365 citations

"The impact of daytime light exposur..." refers background in this paper

...).(44) Answers are scored on a scale ranging from 1 to 5 (1 = very much, 2 = quite a bit, 3 = somewhat, 4 = a little bit, 5 = not at all)....
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