Evaluation of sleep using ambulatory skin potential recording:Differences between morning and evening type

Shiihara, Yasufumi; Nakajima, Masami; Miyazaki, Yukihito; Nakamiya, Toshiyuki; Miyamoto, Masanori; Takahashi, Shigeru; Kodama, Masahisa

doi:10.1111/j.1440-1819.1998.tb01010.x

Cited by 11 publications

(9 citation statements)

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“…Recently, Barclay et al . demonstrated that eveningness is associated with poor sleep quality, which is consistent with previous suggestions, 31–35 remarking that it may be related to intrinsic properties of the circadian system. These findings support our results that evening types have significantly poorer subjective sleep quality.…”

Section: Discussionsupporting

confidence: 90%

Comparison of dream anxiety and subjective sleep quality between chronotypes

Selvı¹,

Aydın²,

Güleç

et al. 2011

Sleep and Biological Rhythms

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Morning and evening-type individuals differ on a number of psychological and biological variables. In this study, we aimed to investigate the relationship between sleep quality, dream anxiety, and chronotypes. A sample of 264 university students, aged between 17 and 26 years, completed the Morningness-Eveningness Questionnaire, the Pittsburgh Sleep Quality Index, and the Van Dream Anxiety Scale for assessing nightmare frequency and the dream anxiety caused by frightening dreams. Main findings indicated that evening-type individuals were significantly more likely to suffer from poor sleep quality, daytime dysfunction, nightmares, and nightmare-related disturbances as compared to either intermediate-or morning-type individuals. Previous studies have pointed out the possible connections of irregular sleep-wake habits and circadian dysregulation with a tendency to reveal eveningness chronotypical characteristics. Current findings suggest that evening-type individuals are more prone to experience psychologically deteriorating nightmares and sleep-related anxiety. Poor sleep quality is also a significant antecedent of dream anxiety after controlling for age and gender.

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Section: Discussionsupporting

confidence: 90%

Comparison of dream anxiety and subjective sleep quality between chronotypes

Selvı¹,

Aydın²,

Güleç

et al. 2011

Sleep and Biological Rhythms

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“…We reported previously our observation of intermittently recorded SP in a case of delirium 2 . In the present study, we were able to observe a 1‐week record of SP fluctuations, in which the process of degenerating sleep–wake cycle was clearly shown.…”

Section: Discussionsupporting

confidence: 69%

“…We reported previously our observation of intermittently recorded SP in a case of delirium. 2 In the present study, we were able to observe a 1-week record of SP fluctuations, in which the process of degenerating sleep-wake cycle was clearly shown. It was also interesting to note that there was a period of relatively high SP level without excitement before the delirium finally appeared.…”

Section: Discussionsupporting

confidence: 56%

Sleep–wake rhythm during stay in an intensive care unit: A week’s long‐term recording of skin potentials

Shiihara

Nogami

Chigira

et al. 2001

Psychiatry Clin Neurosci

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To monitor the sleep-wake cycle of patients during their stay in the intensive care unit (ICU), we tried continuous and long-term recording of skin potential (SP) levels in patients after surgery. A graph of the week-long SP showed the sleep-wake pattern to be evident until the fourth day. It disappeared beginning on the fifth day, resulting finally in delirium with a relatively high mean SP level. In another record, the administration of sedative agents to calm the excitement lowered the mean SP level and suppressed SP responses evoked by frequent day and night treatment or nursing care. Continuous monitoring of arousal level by SP will be of help in prevention of ICU syndrome.

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“…Our finding that evening type subjects report poorer sleep quality is also documented in a study using cassette‐type ambulatory skin potential measurement system. It showed that the evening type subjects awakened during sleep more frequently than the morning type (Shiihara et al. , 1998).…”

Section: Discussionmentioning

confidence: 99%

Heritability of diurnal type: a nationwide study of 8753 adult twin pairs

Koskenvuo

Hublin

Partinen³

et al. 2007

Journal of Sleep Research

209

137

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SUMMARY Twin studies suggest a genetic component in diurnal types. In 1981, a questionnaire sent to the Older Finnish Twin Cohort yielded responses from 2836 adult monozygotic (MZ) and 5917 like-sexed dizygotic (DZ) twin pairs with four category self-report on diurnal type. We used structural equation modelling to estimate genetic and environmental components of variance in morningness and eveningness. The model fitting was best when the morningness and the eveningness were analysed together. The ADE-model (including additive genetic, dominant genetic and non-shared environmental effects) fitted best to the data. ADE-models for men and women separately did not differ in a statistically significant manner from the combined model, and similarly ADE-models for young and old age groups separately did not differ either. The estimate for overall genetic effect (broad sense heritability) was 49.7% (95% confidence interval 46.4-52.8), with the remainder accounted for by environmental factors not shared by siblings. The variance component estimates for the underlying liability to diurnal type were 11.7% (95% CI 0-23.7) for additive genetic factors, 38.0% (24.7-51.3) for genetic factors due to dominance. Genetic effects thus account for about one-half of the interindividual variability in diurnal type in adults.k e y w o r d s diurnal type,

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Evaluation of sleep using ambulatory skin potential recording:Differences between morning and evening type

Abstract: In order to validate the evaluation of sleep using cassette type ambulatory skin potential measurement system (C-SPA), sleep duration variables extracted from 24 h recordings were compared between two groups (16

Cited by 11 publications

References 0 publications

Comparison of dream anxiety and subjective sleep quality between chronotypes

Comparison of dream anxiety and subjective sleep quality between chronotypes

Sleep–wake rhythm during stay in an intensive care unit: A week’s long‐term recording of skin potentials

Heritability of diurnal type: a nationwide study of 8753 adult twin pairs

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