The (mis)perception of sleep: factors influencing the discrepancy between self-reported and objective sleep parameters

Trimmel, Karin; Eder, Hans Gerhard; Böck, Marion; Stefanic-Kejik, Andrijana; Klösch, Gerhard; Seidel, Stefan

doi:10.5664/jcsm.9086

Cited by 38 publications

(17 citation statements)

References 35 publications

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“…Many studies report disrupted subjective sleep quality with mixed and/or inconclusive results for objective sleep. [58][59][60] Our systematic review focused on objectively assessed sleep characteristics (i.e. sleep latency, sleep efficiency, total sleep time and slow wave sleep), which were standardised according to previous work.…”

Section: Strengthsmentioning

confidence: 99%

Influence of evening light exposure on polysomnographically assessed night-time sleep: A systematic review with meta-analysis

Cajochen

Stefani

Schöllhorn

et al. 2022

Lighting Research & Technology

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Evening exposure to electric light can acutely suppress melatonin levels and adversely affect subsequent sleep. We conducted a systematic review with meta-analysis investigating the influence of evening illuminance levels on polysomnographically (PSG)-assessed sleep. We also explored how melanopsin (expressed in melanopic equivalent daylight illuminance (EDI) affects human sleep features. We included polysomnographic laboratory sleep studies with healthy humans for effects of illuminance and exposure duration, for pre-sleep exposures between 6:00 p.m. to 1:00 a.m. From 440 identified articles, 114 met eligibility criteria for screening, and 21 also reported type of light source/spectral characteristics, with 12 identified as eligible for review. Meta-analysis showed evening light affects sleep latency, sleep efficiency and slow wave sleep, with overall effect sizes (95% confidence interval) of 0.69 (−0.50; 1.88), 0.34 (−0.13; 0.82) and −0.61 (−1.85; 0.62), respectively. Estimated melanopic EDI in the range of 100–1000 lx yielded clear dose–response relationships for sleep latency and sleep efficiency, but not for slow wave sleep. Whilst illuminance and duration indicated no apparent effects for a single evening light exposure on PSG-assessed sleep latency, sleep efficiency and slow wave sleep, we observed evidence for a relationship between light exposure and sleep effects based on melanopic EDI. Hence, melanopic EDI may provide a robust predictor of non-visual responses on human sleep.

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Section: Strengthsmentioning

confidence: 99%

Influence of evening light exposure on polysomnographically assessed night-time sleep: A systematic review with meta-analysis

Cajochen

Stefani

Schöllhorn

et al. 2022

Lighting Research & Technology

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“…The diagnostic value of such procedures does not always justify the great effort behind some of these tests ( 57 ). Moreover, the correlation between the different tasks is rather poor ( 58 ), particularly in patients whose subjective ratings of fatigue and tiredness rarely fit with objective measurements ( 59 , 60 ).…”

Section: Vigilance and The Sleep-wake Cyclementioning

confidence: 99%

Revisiting the Concept of Vigilance

2022

Self Cite

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Vigilance deficits can be observed after a period of prolonged, continuous wakefulness. In this context there has been extensive research targeting the impact of sleep deficits on different aspects of vigilance, but the underlying concept of vigilance was hardly ever addressed and discussed. One reason for this shortcoming is the unclear and ambiguous definition of the term vigilance, which is commonly used interchangeably with sustained attention and even wakefulness. This confusion is the result of a wide range of misleading definitions, starting in the 1940s, as psychologists redefined the concept of vigilance suggested by British Neurologist, Henry Head, in 1923. Nevertheless, the concept of vigilance is still useful and innovative, especially in treating sleep problems in children and young adults. This paper reviews the current usage of the term vigilance in sleep-wake-research and describes not only the benefits, but even more clearly, its limitations. By re-focusing on the definitions given by Henry Head, the concept of vigilance is an innovative way to gather new insights into the interplay between sleep– and daytime behaviors. In addition, future research on vigilance should consider three perspectives: 1st vigilance perceived as a process to allocate resources, 2nd vigilance associated with compensatory behaviors and 3rd the role of vigilance in human environmental interactions. This approach, understood as a conceptual framework, provides new perspectives by targeting sleep-wake behaviors as a ‘real life’ outcome measure, reflecting both physical and cognitive performance as well as sleep quality and quantity.

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“…As some of the above-mentioned studies or reviews, such as Liebich et al- 70, did not meta-analyse the subjective measures of sleep, it cannot be concluded that noise did not disturb sleep. Referring to a vast number of studies reporting diverging measures of objective and subjective sleep parameters in healthy and even more pronounced in sleep-disturbed patients, 72,73 the possibility of subjective sleep disturbance is not unlikely even in the absence of objective changes. In particular, criteria for sleep disturbances, such as insomnia, are defined by subjective sleep reports and do not need an objective correlate to be clinically relevant.…”

Section: Undesired Effects Of Acoustic Stimulation During Sleepmentioning

confidence: 99%

Updated Review of the Acoustic Modulation of Sleep: Current Perspectives and Emerging Concepts

Cordi¹

2021

NSS

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With growing interest in the use of acoustic stimuli in sleep research and acoustic interventions used therapeutically for sleep enhancement, there is a need for an overview of the current lines of research. This paper summarizes the various ways to use acoustic input before sleep or stimulation during sleep. It thereby focuses on the respective methodological requirements, advantages, disadvantages, potentials and difficulties of acoustic sleep modulation. It highlights differences in subjective and objective outcome measures, immediate and whole night effects and short versus long term effects. This recognizes the fact that not all outcome parameters are relevant in every research field. The same applies to conclusions drawn from other outcome dimensions, consideration of mediating factors, levels of stimulation processing and the impact of inter-individual differences. In addition to the deliberate influences of acoustic input on sleep, one paragraph describes adverse environmental acoustic influences. Finally, the possibilities for clinical and basic research-related applications are discussed, and emerging opportunities are presented. This overview is not a systematic review but aims to present the current perspective and hence summarizes the most up-todate research results and reviews. This is the first review providing a summary of the broad spectrum of possibilities to acoustically influence sleep.

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The (mis)perception of sleep: factors influencing the discrepancy between self-reported and objective sleep parameters

Cited by 38 publications

References 35 publications

Influence of evening light exposure on polysomnographically assessed night-time sleep: A systematic review with meta-analysis

Influence of evening light exposure on polysomnographically assessed night-time sleep: A systematic review with meta-analysis

Revisiting the Concept of Vigilance

Updated Review of the Acoustic Modulation of Sleep: Current Perspectives and Emerging Concepts

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