Sleep in Normal Late Pregnancy

Hertz, Gila; Fast, Avital; Feinsilver, Steven H.; Albertario, Claude L.; Schulman, Harold; Fein, Alan M.

doi:10.1093/sleep/15.3.246

Cited by 220 publications

(157 citation statements)

References 5 publications

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“…The amplitude in salivary melatonin secretion was decreased in pregnant women with complications in the third trimester in the present study and was likely because melatonin decreases after awaking, upon light exposure (12), or when sleep is shallow (39), and the sleep state often becomes shallow by polysomnography in the third trimester (40).…”

Section: Discussionmentioning

confidence: 51%

Salivary melatonin levels and sleep-wake rhythms in pregnant women with hypertensive and glucose metabolic disorders: A prospective analysis

Shimada

Samejima

Hayase

et al. 2016

BST

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Section: Discussionmentioning

confidence: 51%

Salivary melatonin levels and sleep-wake rhythms in pregnant women with hypertensive and glucose metabolic disorders: A prospective analysis

Shimada

Samejima

Hayase

et al. 2016

BST

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“…Authorities on REM (e.g., Zepelin 2000) have termed active/REM sleep a "fetal adaptation" as many of its adult properties (e.g., reduced thermoregulatory responses or poilkothermia) mimic the fetal state. Interestingly, fetal sleep states are not correlated with maternal sleep states (Curzi-Dascalova and Challamel 2000); while the fetus spends the bulk of its time in active/REM, the pregnant mother near term spends the bulk of her time in NREM sleep (Hertz et al 1992).…”

Section: Rem and Attachment In The Infantmentioning

confidence: 99%

Rem sleep, early experience, and the development of reproductive strategies

McNamara

Dowdall

Auerbach

2002

Hum Nat

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We hypothesize that rapid eye movement or REM sleep evolved, in part, to mediate sexual/reproductive behaviors and strategies. Because development of sexual and mating strategies depends crucially on early attachment experiences, we further hypothesize that REM functions to mediate attachment processes early in life. Evidence for these hypotheses comes from (1) the correlation of REM variables with both attachment and sexual/reproductive variables; (2) attachment-related and sex-related hormonal release during REM; (3) selective activation during REM of brain sites implicated in attachment and sexual processes; (4) effects of maternal deprivation on REM; (5) effects of REM deprivation on sexual behaviors; and (6) the REM-associated sexual excitation. To explain why we find associations among REM sleep, attachment, and adult reproductive strategies, we rely on recent extensions of parent-offspring conflict theory. Using data from recent findings on genomic imprinting, Haig (2000) and others suggest that paternally expressed genes are selected to promote growth of the developing fetus/child at the expense of the mother, while maternally expressed genes counter these effects. Because developmental REM facilitates attachment-related outcomes in the child, developmental REM may be regulated by paternally expressed genes. In that case, REM

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“…During normal pregnancy, symptoms in multigravidas and primigravidas were studied, and the five more significant ones were: frequent urination, fatigue, pelvic pressure, insomnia and back pain, and they have appeared more frequently than mentioned in obstetric texts 6 . The third trimester of pregnancy is associated to the great number of symptoms that disappear after childbirth, mainly maintenance insomnia 7,8 . Changes in breathing physiology during pregnancy due to hormonal and mechanical factors, predispose the woman to sleep-breathing disorders 9,10 and any condition that causes maternal hypoxemia will affect sleep negatively, particularly the supine position in the final period of pregnancy 2,11 .…”

mentioning

confidence: 99%

Sleep disorders in pregnancy

Lopes

Carvalho

Seguro

et al. 2004

Arq. Neuro-Psiquiatr.

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ABSTRACT:Context: The precise function of sleep in animals and human beings is still unknown, and any sort of physical, social or psychological variation may change the normal sleep-wake cycle. Purpose: This research aims is to determine the sleep disorders (SD) for each of the three trimesters of the pregnancy comparing them to the pre-pregnancy state (PG). Method: SD were investigated in three hundred pregnant women 11-to 40-years-old through with a brief clinical interview based on directed questions. One hundred pregnant women were considered for each trimester. Results: The rate of pregnant women with insomnia increased by 23% in the 2 nd trimester (p< 0.005); the rate for excessive daytime sleepiness (EDS) by 15% in the 1 st trimester (p<0.003), 55% in the 2 nd trimester (p<0.001) and by 14% in the 3 rd trimester (p<0.002); the rate for mild sleepiness increased by 33% in the 2 nd trimester (p<0.002) and by 48% in the 3 rd trimester (p<0.001); the rate for specific awakenings increased by 63% in the 1 st trimester, by 80% in the 2 nd trimester and by 84% in the 3 rd trimester (p<0.001). Conclusion: SD were more frequent during pregnancy comparatively to PG state, mostly at the expenses of EDS and specific awakenings.KEY WORDS: pregnancy, sleep disorders, awakening, insomnia, excessive daytime sleepiness. Distúrbios do sono na gravidezRESUMO -Introdução: A função exata do sono em animais e seres humanos ainda é desconhecida e qualquer variação física, social ou psíquica pode alterar o ciclo normal de sono e vigília. Objetivo: O objetivo desta pesquisa é detectar os principais distúrbios do sono (DS) nos três trimestres da gravidez comparando-os ao estado pré-gestacional (PG). Método: Os DS foram investigados em 300 gestantes com idades variando de 11 a 40 anos, através de breve entrevista com questões dirigidas. Foram incluídas 100 gestantes para cada trimestre. Resultados: A proporção de grávidas com insônia aumentou 23% no 2º trimestre (p<0,005); a de sonolência intensa 15% no 1º trimestre (p<0,003), 55% no 2º (p<0,001) e 14% no 3º (p<0,002); a de sonolência leve 33% no 2º trimestre (p<0,002) e 48% no 3º (p<0,001); a de despertares específicos 63% no 1º trimestre, 80% no 2º e 84% no 3º (p<0,001). Conclusão: DS foram mais freqüentes durante a gravidez comparativamente ao PG, principalmente às custas de sonolência intensa e despertares específicos. PALAVRAS-CHAVE: gravidez, distúrbios do sono, despertar, insônia, sonolência excessiva diurna.It is not known the precise function of sleep in animals and human beings. The main explanation considers the need to replenish individual's energy (physical and psychological).The restoration provided by sleep seems to be an important component, once it is preceded by fatigue and usually followed by feelings of satisfaction.When there is an impossibility to sleep well, restrictions in day functioning or excessive daytime sleepiness (EDS) may occur 1-2 . Physical, emotional and social variations in human beings' life may induce sleep disorders as insomnia and EDS. The gr...

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Sleep in Normal Late Pregnancy

Cited by 220 publications

References 5 publications

Salivary melatonin levels and sleep-wake rhythms in pregnant women with hypertensive and glucose metabolic disorders: A prospective analysis

Salivary melatonin levels and sleep-wake rhythms in pregnant women with hypertensive and glucose metabolic disorders: A prospective analysis

Rem sleep, early experience, and the development of reproductive strategies

Sleep disorders in pregnancy

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