Daytime sleepiness and its evaluation

Cluydts, Raymond; Valck, Elke De; Verstraeten, Edwin; Theys, Paul

doi:10.1053/smrv.2002.0191

Cited by 150 publications

(104 citation statements)

References 71 publications

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“…Several available tools can be used to assess objective and subjective daytime sleepiness (for an overview see Cluydts et al, 2002). The Multiple Sleep Latency Test (MSLT) is considered to be the "gold standard" assessment tool for objectively measuring daytime sleepiness.…”

Section: Introductionmentioning

confidence: 99%

“…Traditionally, it has been considered as the physiological tendency to fall asleep (i.e., sleep propensity). However, this definition is limited since sleepiness is not a unitary phenomenon (Cluydts et al, 2002). As shown in several studies, subjective sleepiness has multiple dimensions that go beyond an increased tendency to fall asleep (Jordan, 2012;Kim & Young, 2005;Pilcher, Pury, & Muth, 2003;Pilcher, Schoeling, & Prosansky, 2000).…”

Section: Introductionmentioning

confidence: 99%

“…Sleepiness is a complex construct difficult to define and to measure (Cluydts, De Valck, Verstraeten, & Theys, 2002;Shen, Barbera, & Shapiro, 2006;Young, 2004).…”

Section: Introductionmentioning

confidence: 99%

“…According to Dittner et al (2004), fatigue is "essentially a subjective experience that can be defined as extreme and persistent tiredness, weakness or exhaustion -mental, physical or both" (p.157). Additionally, according to Cluydts et al (2002) fatigue "is generally considered as a condition resulting from physical effort and prolonged activity.…”

Section: Introductionmentioning

confidence: 99%

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DSPS-4: a Brief Measure of Perceived Daytime Sleepiness

2017

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Sleepiness is a key issue in sleep medicine but its definition remains ambiguous and difficult to address. Some studies have reported that sleepiness should be conceptualized as a multidimensional construct. One of these dimensions is sleepiness propensity accurately assessed by the Epworth Sleepiness Scale. However, in the literature, data on other important sleepiness dimensions, such as sleepiness perception, are lacking. In an attempt to fulfil the literature gaps, this study aims at presenting data regarding the development of a brief self-report instrument to assess daytime sleepiness perception, the Daytime Sleepiness Perception Scale (DSPS-4). A sample of 692 undergraduate Medicine students was initially enrolled. The sample was randomly split in order to perform independent exploratory (EFA) and confirmatory factor analyses (CFA). A one-factor solution was examined. The DSPS-4 showed good indicators of reliability and validity. The CFA confirmed the one-factor structure of the DSPS-4. The unidimensional structure of the scale was invariant for both sexes. Results highlight the usefulness of DSPS-4 to measure and assess sleepiness perception at daytime. The short length of this scale enables its incorporation in routine assessment protocols for example regarding insomnia complaints.However, more studies are now required to check its suitability for other samples, specifically well-defined clinical groups.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…Sleepiness is a complex construct difficult to define and to measure (Cluydts, De Valck, Verstraeten, & Theys, 2002;Shen, Barbera, & Shapiro, 2006;Young, 2004).…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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DSPS-4: a Brief Measure of Perceived Daytime Sleepiness

2017

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“…As an operational definition of daytime sleepiness, we used sleep propensity as assessed by the ESS. However, the ESS is a subjective rating of sleep propensity in daily life and covers only one specific aspect of the multi-dimensional concept of sleepiness [88]. In addition, even though the ESS is widely used as an assessment tool in clinical practice and research, this instrument has only modest psychometric properties.…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Daytime sleepiness versus fatigue in patients with multiple sclerosis: A systematic review on the Epworth sleepiness scale as an assessment tool

Popp

Fierlbeck

Knüttel

et al. 2017

Sleep Medicine Reviews

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SummaryFatigue is a frequent and distressing symptom in patients with multiple sclerosis (MS). In contrast, sleepiness, characterized by difficulties to stay awake and alert during the day, seems to be less prevalent in MS; however exact studies are lacking. In addition, there is a semantic confusion of the concepts of "fatigue" and "sleepiness", which are often used interchangeably. We conducted a systematic review of studies using the Epworth sleepiness scale (ESS) for the assessment of daytime sleepiness in patients with MS. The summarized results of 48 studies demonstrate that sleepiness, as indicated by elevated ESS scores, is less prevalent and less severe than fatigue but is present in a significant proportion of patients with MS. In most cross-sectional and longitudinal studies, there was a moderate association between ESS scores and various fatigue rating scales. Longitudinal studies on the effect of wakefulness-promoting agents failed to show a consistent improvement of sleepiness or fatigue as compared to placebo. It has also been shown that daytime sleepiness is frequently associated with comorbid sleep disorders that are often underrecognized and undertreated in MS. Sleepiness and potential sleep disorders may also precipitate and perpetuate fatigue in patients with MS and should be part of the differential diagnostic assessment. To support an appropriate decision-making process, we propose an algorithm for the evaluation of sleepiness as compared to fatigue in patients with MS.

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The pupillographic sleepiness test in adults: Effect of age, gender, and time of day on pupillometric variables

Eggert

Sauter

Popp

et al. 2012

American J Hum Biol

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PUI and PD were found to decrease with increasing age. In addition, the present data show that nonreliable PST data occur more frequently in the elderly probably because of dry eyes, inadequate testing conditions, and technical resolution limitations. Thus, the PST results obtained here from elderly subjects are limited and have to be interpreted with caution. Additional research on elderly specific assessment tools is needed.

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Daytime sleepiness and its evaluation

Cited by 150 publications

References 71 publications

DSPS-4: a Brief Measure of Perceived Daytime Sleepiness

DSPS-4: a Brief Measure of Perceived Daytime Sleepiness

Daytime sleepiness versus fatigue in patients with multiple sclerosis: A systematic review on the Epworth sleepiness scale as an assessment tool

The pupillographic sleepiness test in adults: Effect of age, gender, and time of day on pupillometric variables

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