Sleep-related disorders among a healthy population in South India

Panda, Samhita; Taly, Arun B.; Sinha, Sanjib; Gururaj, G; Girish, N; Nagaraja, D

doi:10.4103/0028-3886.93601

Cited by 118 publications

(112 citation statements)

References 20 publications

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“…Ninety patients with 'migraine without aura' (mean age: 31.76 ±8.2 years; M:F: 19:71) who were not on migraine prophylaxis were included for the study. Ninety age and gender matched healthy subjects without migraine (age: 31.76± 8.2 years ; M:F =19:71) were randomly selected from a large cohort of 1150 individuals who were evaluated in an epidemiological study at the same centre for detection of the prevalence of sleep abnormalities in the general population [5]. Institutional ethics committee approved the study.…”

Section: Methodsmentioning

confidence: 99%

“…The ESS has a total of 8 situations for which the most appropriate response has to be decided by the respondent. A 'NIMHANS comprehensive sleep disorders questionnaire (NCSDQ)' was designed at our center (NIMHANS) to document sleep related symptoms [5]. Initially, a pilot study was undertaken on 50 individuals to assess the feasibility/ applicability of the questionnaire and also estimated problems in response.…”

Section: Evaluation Of Sleepmentioning

confidence: 99%

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Sleep disturbances in ‘migraine without aura’ — A questionnaire based study

Karthik

Kulkarni

Taly

et al. 2012

Journal of the Neurological Sciences

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Section: Methodsmentioning

confidence: 99%

Section: Evaluation Of Sleepmentioning

confidence: 99%

Sleep disturbances in ‘migraine without aura’ — A questionnaire based study

Karthik

Kulkarni

Taly

et al. 2012

Journal of the Neurological Sciences

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“…[5][6][7] In India, the prevalence of insomnia is found to vary between 14 to 18.7% in general population. [8][9][10] Earlier studies have indicated that there is an association between insomnia and hypertension incidence. [11][12][13] In a study in Chinese population, the prevalence of hypertension in those with no insomnia, occasional insomnia and frequent insomnia was reported to be 37.3%, 43.0% and 48.0% respectively.…”

Section: Introductionmentioning

confidence: 99%

A cross-sectional, multi-centric, epidemiology study to determine the prevalence of insomnia and related sleep habits in Indian hypertensive patients

Karnik¹,

Peethambaran²,

Adsule³

2017

Int J Res Med Sci

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Background: Hypertension is a leading risk factor affecting mortality and disability-adjusted life years worldwide. The objective of the study was to determine the prevalence of insomnia, co-morbid medical conditions, lifestyle attributes, related sleep habits and sleep quality among Indian hypertensive patients.Methods: Adults (≥18 years) with newly diagnosed or known history of hypertension, willing to participate were enrolled in this cross-sectional, epidemiological study. Several variables including lifestyle attributes, sleep habits, quality, medications, demographics, medical/surgical history and other details pertaining to hypertension were analyzed. Insomnia was assessed by Athens Insomnia Scale (AIS) in patients not identified in the past one month.Results: All the 657 enrolled patients completed the study (mean age: 55.4±11.61 years; men: 53.7%; women: 46.3%). Prevalence of insomnia among hypertensive population was approximately 47.2% (n=310; 95% CI: 43.4, 51.0). Number of patients newly diagnosed with insomnia by AIS scale was higher compared with patients already diagnosed with insomnia (34.9% [95% CI: 31.2, 38.5] vs. 12.3% [95% CI: 9.81, 14.8]). Common medical conditions associated with hypertension were diabetes mellitus (61.1%) and dyslipidemia (28.3%). More than half of the hypertensive patients with insomnia had sleep-related problems once or twice a week. Further, the daytime impact of insufficient sleep on wellbeing and functioning was markedly decreased in insomniac patients.Conclusions: Prevalence of insomnia among patients suffering from hypertension was higher than that reported in general Indian population in various studies. Present study shows that about 75% insomniac cases were undiagnosed, indicating that insomnia diagnosis may have been missed in a large proportion of hypertensive patients.

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“…There are several evidences to indicate that sleep deprivation disturbs cognition, working memory and attention [20][21][22][23][24][25][26][27][28][29]. However, studies on the effects of total sleep deprivation (SD) and on theta coherence among HPC, Amyg and PFC are not available.…”

mentioning

confidence: 99%

Reduced Theta Coherence and P Wave Ratio Linked to Memory Deficits After Sleep Deprivation in Rat Model

2017

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Purpose It is well established that loss of sleep leads to lapses in learning and memory. The brain regions including hippocampus, amygdala and the prefrontal cortex are associated with memory processes. However, there are not many studies on the changes in neuronal communications between these brain areas during sleep deprivation. Methods In this study, changes in the P waves, and theta coherence among the hippocampus, amygdala and the prefrontal cortex, were studied before and after exposing the animals to total sleep deprivation of 24 h. Changes in reference and working memory were evaluated after sleep deprivation.Results Concomitant with a rebound increase in non-REM sleep after total sleep deprivation, there was a decrease in the coherence of theta waves between all the studied areas, especially between hippocampus and amygdala. The ratio of P wave cluster to singlet was reduced. There was a decrease in 'correct memory performance' after sleep deprivation. Conclusions This study showed that after sleep deprivation, there was a correlation in the cognitive deficits and decrease in the coherence of theta waves, and the ratio of P wave cluster to singlet. Impairments in brain function, especially cognition, after sleep loss could be attributed to changes in functional connectivity between these neural networks. This study highlighted important functions of sleep in maintaining an appropriate synchrony between various neuronal networks during REM sleep.

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Sleep-related disorders among a healthy population in South India

Abstract: SRDs are widely prevalent in India. Considering the health implications and poor awareness, there is a need to sensitize physicians and increase awareness among the public.

Cited by 118 publications

References 20 publications

Sleep disturbances in ‘migraine without aura’ — A questionnaire based study

Sleep disturbances in ‘migraine without aura’ — A questionnaire based study

A cross-sectional, multi-centric, epidemiology study to determine the prevalence of insomnia and related sleep habits in Indian hypertensive patients

Reduced Theta Coherence and P Wave Ratio Linked to Memory Deficits After Sleep Deprivation in Rat Model

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