Increased Homeostatic Response to Behavioral Sleep Fragmentation in Morning Types Compared to Evening Types

Mongrain, Valérie; Dumont, Marie

doi:10.1093/sleep/30.6.773

Cited by 65 publications

(52 citation statements)

References 33 publications

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“…Fig. 10, left and right) seem to be in line with the reports on the attenuated built up of the need for sleep in the late chronotypes compared to the early chronotypes [10,16].…”

Section: Discussionsupporting

confidence: 88%

Structuring the inter-individual variation in waking EEG can help to discriminate between the objective markers of sleep debt and sleep pressure

et al. 2009

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Modern society is characterized by the steadily increasing demand and desire for wakefulness at all hours of the day. Research in the fields of sleep physiology and chronophysiology can offer instruments enabling the identification of people with and without advantageous traits, such as little need for sleep, decreased sleepiness associated with sleep loss, and rapid adaptation to changes in the workrest schedule. These instruments can also help to quantify the severity of sleep-wake disorders (i.e., excessive daytime sleepiness) and the effects of their treatment. However, inter-individual differences in sleep need, vulnerability to sleep loss, and circadian adaptation remain scientifically understudied and are rarely theoretically and practically considered [19]. At present, it remains largely unknown what may underlie and predict sleep-wake related traits, what relationship these traits may have to each other, and what functional significance may be associated with these traits [20].Van Dongen and Dinges [19] emphasized the importance of three independent parameters for any model aimed at predicting reduced alertness and performance in the conditions of sleep loss and sleep disruption. These include (1) the timing and/or rate of circadian adjustment (i.e., circadian phase), (2) the amount of sleep required per day (i.e., sleep need), and (3) the rate of impairment per hour of sleep loss (i.e., vulnerability to sleep deprivation). There is solid evidence for substantial and clearly distinguishable interindividual variation in each of these three parameters. The differences between individuals are often characterized by within-individual stability (i.e., replicability) and robustness (i.e., insensitivity to experimental manipulation). These features suggest that the inter-individual differences represent systematic trait-like variability (see [18,20] for details). Understanding the basis of this variability may yield new insight into sleep-wake regulation and sleep-wake pathology [20].Agreement exists with respect to the markers of the individual circadian phase (i.e., it can be determined by tracing daily variations in core body temperature, secretion of melatonin and cortisol), but, to date, there is no consensus on the biological markers of sleep need and vulnerability to impairment from lack of sleep. However, it is possible to identify these markers by quantification of the response of brain wave activity to sleep deprivation. The analysis of changes in spectral characteristics of the electroencephalogram (EEG) is regarded as the physiological gold standard for identifying shifts along the alertness-drowsiness continuum [1,2,9,17]. It was demonstrated that sleep loss selectively modulates the spectral power densities of the EEG signal recorded either during prolonged wakefulness [3,4] or during subsequent recovery sleep [4,5,12]. Moreover, the results of numerous studies indicate that the changes in oscillatory brain activity within certain frequency ranges can provide reliable indexes of the reduced alertn...

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“…Fig. 10, left and right) seem to be in line with the reports on the attenuated built up of the need for sleep in the late chronotypes compared to the early chronotypes [10,16].…”

Section: Discussionsupporting

confidence: 88%

Structuring the inter-individual variation in waking EEG can help to discriminate between the objective markers of sleep debt and sleep pressure

et al. 2009

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“…Otra de las diferencias halladas se observa en la respuesta al incremento de presión homeostática durante el sueño, más pronunciada en matutinos que en vespertinos y reflejada mediante una mayor presencia de actividad de ondas lentas (Mongrain y Dumont, 2007). También se ha observado que los vespertinos presentan menos dificultades que los matutinos para adaptarse a los cambios en los hábitos de sueño-vigilia (Natale, Martoni y Cicogna, 2003), por lo que pueden tolerar mejor el trabajo por turnos.…”

Section: Trastornos Del Sueñounclassified

Tipología circadiana y problemas de salud mental

Antúnez¹,

Navarro²,

Adán³

2014

analesps

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Resumen: La tipología circadiana (matutina, vespertina o intermedia) es una diferencia individual que se ha relacionado con numerosos aspectos de la salud mental. En este estudio se revisan los principales hallazgos publicados en el área. Tras la búsqueda bibliográfica en las principales bases de datos se seleccionaron un total de 70 artículos publicados en castellano e inglés entre los años 1990 y 2012, recogidos en las bases de datos ISI, Scopus y Medline, donde se muestra que los individuos vespertinos presentan una mayor prevalencia de trastorno afectivo estacional, depresión mayor, trastorno bipolar, esquizofrenia, trastornos de la conducta alimentaria, trastornos del sueño, conductas adictivas, TDAH y mayores niveles de ansiedad que los matutinos. La tipología vespertina se perfila como un factor de riesgo y la matutina como un factor protector para el desarrollo de diversas psicopatologías, apuntándose como posibles causas polimorfismos de los genes reloj, el jet-lag social y algunos rasgos de personalidad. La tipología circadiana debe considerarse en la evaluación, tratamiento y prevención de las psicopatologías, pues afecta al inicio, curso, remisión y recaída de las mismas. La utilización de terapia cronobiológica es un factor a tener en cuenta en el abordaje terapéutico cuando la expresión rítmica circadiana se halla alterada. Palabras clave: revisión sistemática cualitativa; tipología circadiana; matutinidad-vespertinidad; salud mental; psicopatología. Title:Circadian typology and problems in mental health. Abstract: Circadian typology (morning-type, neither-type, and eveningtype) is an individual difference which has been related to numerous aspects of mental health. In this paper we present a review of the findings published on this topic. After searching in the main databases a total number of 70 works were selected, published in Spanish and English from 1990 to 2012 collected in the databases ISI, Scopus and Medline. These works show that individuals with evening-type typology exhibit a greater prevalence of seasonal affective disorder, mayor depression, bipolar disorder, schizophrenia, eating disorders, sleep disorders, addictive behaviours, ADHD, and higher anxiety levels than morning-type typology individuals. In this sense, the evening-type is considered as a factor of risk whereas the morning-type would be a protective factor for the development of several mental disorders. This could be a result of clock gene polymorphisms, social jet lag and some personality traits. Circadian typology must be considered in the evaluation, treatment and prevention of the mental disorders, as it affects to the start, course, remission and relapse of diverse problems of mental health. Chronobiological therapy must be also considered in the therapeutic approaching when the circadian rhythmical expression is altered. Key words: qualitative systematic review; circadian typology; morningnesseveningness; mental health; psychopathology. IntroducciónLos ritmos circadianos, descritos por de Mairan en 1729 (como se ci...

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“…Significant age-related changes in chronotype have been identified, including eveningness in adolescence [48], and morningness in old age [49]. Chronotype differences may be caused by mutations in circadian clock genes [50], or variations in intrinsic circadian period [51] or sleep homeostasis [52]. Physiologically based models can help identify the mechanisms involved [53] by examining the parameter dependences of sleep times and angle of circadian entrainment relative to the daily light cycle.…”

Section: (F ) Orexin and Narcolepsymentioning

confidence: 99%

Quantitative modelling of sleep dynamics

Robinson

Phillips

Fulcher

et al. 2011

Phil. Trans. R. Soc. A.

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Arousal is largely controlled by the ascending arousal system of the hypothalamus and brainstem, which projects to the corticothalamic system responsible for electroencephalographic (EEG) signatures of sleep. Quantitative physiologically based modelling of brainstem dynamics theory is described here, using realistic parameters, and links to EEG are outlined. Verification against a wide range of experimental data is described, including arousal dynamics under normal conditions, sleep deprivation, stimuli, stimulants and jetlag, plus key features of wake and sleep EEGs.

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Increased Homeostatic Response to Behavioral Sleep Fragmentation in Morning Types Compared to Evening Types

Abstract: These results add further support to a postulated difference in homeostatic sleep regulation between morning types and evening types, with morning types showing indications of a higher homeostatic response to sleep disruption.

Cited by 65 publications

References 33 publications

Structuring the inter-individual variation in waking EEG can help to discriminate between the objective markers of sleep debt and sleep pressure

Structuring the inter-individual variation in waking EEG can help to discriminate between the objective markers of sleep debt and sleep pressure

Tipología circadiana y problemas de salud mental

Quantitative modelling of sleep dynamics

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