An exploratory investigation of the effect of naturalistic light on fatigue and subjective sleep quality in stroke patients admitted for rehabilitation: A randomized controlled trial

Research output: Contribution to journalJournal articlepeer-review

Standard

An exploratory investigation of the effect of naturalistic light on fatigue and subjective sleep quality in stroke patients admitted for rehabilitation : A randomized controlled trial. / West, Anders; Simonsen, Sofie Amalie; Jennum, Poul; Cyril Hansen, Niklas; Schønsted, Marie; Zielinski, Alexander; Sander, Birgit; Iversen, Helle K.

In: NeuroRehabilitation, Vol. 45, No. 2, 2019, p. 187-200.

Research output: Contribution to journalJournal articlepeer-review

Harvard

West, A, Simonsen, SA, Jennum, P, Cyril Hansen, N, Schønsted, M, Zielinski, A, Sander, B & Iversen, HK 2019, 'An exploratory investigation of the effect of naturalistic light on fatigue and subjective sleep quality in stroke patients admitted for rehabilitation: A randomized controlled trial', NeuroRehabilitation, vol. 45, no. 2, pp. 187-200. https://doi.org/10.3233/NRE-192752

APA

West, A., Simonsen, S. A., Jennum, P., Cyril Hansen, N., Schønsted, M., Zielinski, A., Sander, B., & Iversen, H. K. (2019). An exploratory investigation of the effect of naturalistic light on fatigue and subjective sleep quality in stroke patients admitted for rehabilitation: A randomized controlled trial. NeuroRehabilitation, 45(2), 187-200. https://doi.org/10.3233/NRE-192752

Vancouver

West A, Simonsen SA, Jennum P, Cyril Hansen N, Schønsted M, Zielinski A et al. An exploratory investigation of the effect of naturalistic light on fatigue and subjective sleep quality in stroke patients admitted for rehabilitation: A randomized controlled trial. NeuroRehabilitation. 2019;45(2):187-200. https://doi.org/10.3233/NRE-192752

Author

West, Anders ; Simonsen, Sofie Amalie ; Jennum, Poul ; Cyril Hansen, Niklas ; Schønsted, Marie ; Zielinski, Alexander ; Sander, Birgit ; Iversen, Helle K. / An exploratory investigation of the effect of naturalistic light on fatigue and subjective sleep quality in stroke patients admitted for rehabilitation : A randomized controlled trial. In: NeuroRehabilitation. 2019 ; Vol. 45, No. 2. pp. 187-200.

Bibtex

@article{3c7a9be445504e61a55628bc12cd35fc,
title = "An exploratory investigation of the effect of naturalistic light on fatigue and subjective sleep quality in stroke patients admitted for rehabilitation: A randomized controlled trial",
abstract = "BACKGROUND: Daylight entrains the central circadian pacemaker to the 24-hour day and is crucial for optimal alertness and sleep-quality. Rehabilitation patients tend to lack exposure to sufficient natural light.OBJECTIVE: Installed diurnal naturalistic light may reduce the known disrupted sleep quality and fatigue seen in post stroke patients.METHODS: Stroke patients were randomized to either an intervention rehabilitation unit (IU) equipped with naturalistic lighting (artificial sunlight spectrum) or to a control rehabilitation unit (CU) with standard indoor lighting. At inclusion and discharge, fatigue and subjective sleep quality were measured.RESULTS: Ninety stroke patients were included between May 2014, and June 2015. At discharge, patients from the IU experienced less fatigue than the CU patients, based on the Multidimensional Fatigue Inventory questionnaire general (IU, n = 28; CU, n = 30; diff - 20.6%, 95% confidence interval (CI) [- 35.0%; - 3.0%]; P = 0.025) and the Rested Statement (IU, n = 28; CU, n = 30; diff + 41.6%, 95% CI [+4.6%; +91.8%]; P =  0.025). No differences were detected between groups in sleepiness or subjective sleep quality by the Pittsburgh Sleep Quality Index.CONCLUSIONS: Fatigue was significantly reduced in rehabilitation patients exposed to naturalistic lighting during admission.",
keywords = "Attention, Circadian Rhythm, Fatigue/etiology, Female, Humans, Male, Middle Aged, Phototherapy/methods, Sleep, Sleep Wake Disorders/etiology, Stroke/complications, Stroke Rehabilitation/methods, Sunlight, Wakefulness",
author = "Anders West and Simonsen, {Sofie Amalie} and Poul Jennum and {Cyril Hansen}, Niklas and Marie Sch{\o}nsted and Alexander Zielinski and Birgit Sander and Iversen, {Helle K}",
year = "2019",
doi = "10.3233/NRE-192752",
language = "English",
volume = "45",
pages = "187--200",
journal = "NeuroRehabilitation",
issn = "1053-8135",
publisher = "IOS Press",
number = "2",

}

RIS

TY - JOUR

T1 - An exploratory investigation of the effect of naturalistic light on fatigue and subjective sleep quality in stroke patients admitted for rehabilitation

T2 - A randomized controlled trial

AU - West, Anders

AU - Simonsen, Sofie Amalie

AU - Jennum, Poul

AU - Cyril Hansen, Niklas

AU - Schønsted, Marie

AU - Zielinski, Alexander

AU - Sander, Birgit

AU - Iversen, Helle K

PY - 2019

Y1 - 2019

N2 - BACKGROUND: Daylight entrains the central circadian pacemaker to the 24-hour day and is crucial for optimal alertness and sleep-quality. Rehabilitation patients tend to lack exposure to sufficient natural light.OBJECTIVE: Installed diurnal naturalistic light may reduce the known disrupted sleep quality and fatigue seen in post stroke patients.METHODS: Stroke patients were randomized to either an intervention rehabilitation unit (IU) equipped with naturalistic lighting (artificial sunlight spectrum) or to a control rehabilitation unit (CU) with standard indoor lighting. At inclusion and discharge, fatigue and subjective sleep quality were measured.RESULTS: Ninety stroke patients were included between May 2014, and June 2015. At discharge, patients from the IU experienced less fatigue than the CU patients, based on the Multidimensional Fatigue Inventory questionnaire general (IU, n = 28; CU, n = 30; diff - 20.6%, 95% confidence interval (CI) [- 35.0%; - 3.0%]; P = 0.025) and the Rested Statement (IU, n = 28; CU, n = 30; diff + 41.6%, 95% CI [+4.6%; +91.8%]; P =  0.025). No differences were detected between groups in sleepiness or subjective sleep quality by the Pittsburgh Sleep Quality Index.CONCLUSIONS: Fatigue was significantly reduced in rehabilitation patients exposed to naturalistic lighting during admission.

AB - BACKGROUND: Daylight entrains the central circadian pacemaker to the 24-hour day and is crucial for optimal alertness and sleep-quality. Rehabilitation patients tend to lack exposure to sufficient natural light.OBJECTIVE: Installed diurnal naturalistic light may reduce the known disrupted sleep quality and fatigue seen in post stroke patients.METHODS: Stroke patients were randomized to either an intervention rehabilitation unit (IU) equipped with naturalistic lighting (artificial sunlight spectrum) or to a control rehabilitation unit (CU) with standard indoor lighting. At inclusion and discharge, fatigue and subjective sleep quality were measured.RESULTS: Ninety stroke patients were included between May 2014, and June 2015. At discharge, patients from the IU experienced less fatigue than the CU patients, based on the Multidimensional Fatigue Inventory questionnaire general (IU, n = 28; CU, n = 30; diff - 20.6%, 95% confidence interval (CI) [- 35.0%; - 3.0%]; P = 0.025) and the Rested Statement (IU, n = 28; CU, n = 30; diff + 41.6%, 95% CI [+4.6%; +91.8%]; P =  0.025). No differences were detected between groups in sleepiness or subjective sleep quality by the Pittsburgh Sleep Quality Index.CONCLUSIONS: Fatigue was significantly reduced in rehabilitation patients exposed to naturalistic lighting during admission.

KW - Attention

KW - Circadian Rhythm

KW - Fatigue/etiology

KW - Female

KW - Humans

KW - Male

KW - Middle Aged

KW - Phototherapy/methods

KW - Sleep

KW - Sleep Wake Disorders/etiology

KW - Stroke/complications

KW - Stroke Rehabilitation/methods

KW - Sunlight

KW - Wakefulness

U2 - 10.3233/NRE-192752

DO - 10.3233/NRE-192752

M3 - Journal article

C2 - 31498136

VL - 45

SP - 187

EP - 200

JO - NeuroRehabilitation

JF - NeuroRehabilitation

SN - 1053-8135

IS - 2

ER -

ID: 237799227