Female and male sleep duration in association with the probability of conception in two representative populations of reproductive age in US and China

Shi, Fuquan; Liu, Chang; Liu, Kun; Sun, Lei; Yang, Huan; Cao, Jia; Chen, Qing

doi:10.1016/j.sleep.2020.05.026

Cited by 12 publications

(6 citation statements)

References 37 publications

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“…Of the 27 studies, 20 studies reported maternal outcomes and seven studies reported offspring outcomes. One study studied two different cohorts [ 12 ]. Therefore, this systematic review included 28 study samples in total.…”

Section: Resultsmentioning

confidence: 99%

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Maternal Sleep Problems in the Periconceptional Period and the Impact on Health of Mother and Offspring: A Systematic Review

et al. 2022

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Knowledge of the impact of sleep problems in the periconceptional period is scarce. Since this period is the most sensitive time window for embryonic and placental development, we aim to study the impact of maternal sleep problems in the periconceptional period on both mother and offspring. We systematically searched various databases up until September 2021 for studies reporting on maternal sleep in the periconceptional period and any outcome in mother and offspring. We included observational studies describing maternal sleep problems in the periconceptional period and associations with either maternal and/or offspring outcomes. The search produced 8596 articles, of which we selected 27 studies. Some associations were found between sleep problems and lower fertility, more hypertensive disorders, more mood disorders in mothers, higher risk of preterm birth and low birth weight, and more sleep and behavior problems in offspring, with associations with maternal mood disorders being most consistent. This systematic review shows that maternal sleep problems in the periconceptional period are associated with a higher risk of various adverse outcomes in both mother and offspring, although not consistently. It shows that good sleep during pregnancy is crucial, starting as early as before conception, especially for maternal mood. Therefore, it is important for clinicians to pay attention to sleep problems in the periconceptional period and provide adequate treatment for potential sleep problems, even before pregnancy.

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Section: Resultsmentioning

confidence: 99%

“…Three studies investigated the association between sleep and fertility [ 12 , 34 , 36 ]. Shi et al studied conception probability in two large cohorts, and found that shorter self-reported sleep duration was associated with a higher conception probability in their cross-sectional cohort, but not in their longitudinal cohort [ 12 ].…”

Section: Resultsmentioning

confidence: 99%

Maternal Sleep Problems in the Periconceptional Period and the Impact on Health of Mother and Offspring: A Systematic Review

et al. 2022

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“…In a study of 796 University students, there was an inverted U-shaped relationship between sleep duration and sperm volume and total sperm count ( Chen et al, 2016 ). Similarly, Wise et al reported that short and long sleep were associated with reduced fertility in couples as an important consequence of low semen quality ( Shi et al, 2020 ). The mechanisms underlying the relationship between sleep disorder and semen quality are unclear.…”

Section: Discussionmentioning

confidence: 98%

Effects of Sleep Disorders and Circadian Rhythm Changes on Male Reproductive Health: A Systematic Review and Meta-analysis

et al. 2022

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Objectives: The purpose of this study was to elucidate the relationship between sleep disorders and male reproductive health, and to explore the underlying mechanisms via a systematic review and meta-analysis.Methods: PubMed, Embase, The Cochrane library, Web of Science, Scopus databases were searched to collect clinical research on the effects of sleep disorders on male semen parameters from inception to February 24, 2022. RevMan 5.4 was used for meta-statistical analysis. Stata16 software was used to detect publication bias.Results: The results of meta-analysis showed that sleep disorders were associated with reduced total sperm count (mean difference (MD) = −27.91, 95% CI = (−37.82, −18.01), p < 0.001), reduced sperm concentration (MD = −5.16, 95% CI = (−9.67, −0.65), p = 0.02), reduced progressive motility (MD = −2.94, 95% CI = (−5.28, −0.59), p = 0.01), and reduced normal morphology (MD = −0.52, 95% CI = (−0.80, −0.24), p < 0.001). However, there is no significant association between sleep disorders and semen volume/reproductive hormones. Further bioinformatics mining revealed that related clock genes (PER1, PER2, CRY2, NR1D1 and NPAS2) were down-regulated in non-obstructive azoospermia patients.Conclusion: In conclusion, current evidence suggests that sleep disorders have a negative impact on male reproductive health, and its underlying mechanism may be related to circadian rhythm disorders. However, the relationship between sleep disorders and reproductive hormone levels has not been found. Due to the limited number and quality of included studies, the above findings need to be validated by more high-quality studies.

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“…reduced fecundability, preterm birth, gestational diabetes, and hypertension) with less than 7 h or over 9 h of sleep. 47 – 50 Therefore, the Ava bracelet's lack of precision by almost 2 h, could lead to misclassification bias, influencing overall results on sleep, fertility, and pregnancy research.…”

Section: Discussionmentioning

confidence: 99%

The Ava bracelet for collection of fertility and pregnancy data in free-living conditions: An exploratory validity and acceptability study

2022

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Objective To evaluate the validity and acceptability of the Ava bracelet for collecting heart rate, sleep, mood, and physical activity data among reproductive-aged women (pregnant and nonpregnant) under free-living conditions. Methods Thirty-three participants wore the Ava bracelet on their non-dominant wrist and reported mood and physical activity in the Ava mobile application for seven nights. Criterion validity was determined by comparing the Ava bracelet heart rate and sleep duration measures to criterion measures from the Polar chest strap and ActiGraph GTX3 + accelerometer. Construct validity was determined by comparing self-report measures and the heart rate variability ratio collected in the Ava mobile application to previously validated measures. Acceptability was evaluated using the modified Acceptability of Health Apps among Adolescents Scale. Results Mean absolute percentage error was 11.4% for heart rate and 8.5% for sleep duration. There was no meaningful difference between the Ava bracelet, ActiGraph, and construct a measure of sleep quality. Compared to construct measures, Ava bracelet heart rate variability had a significant low negative correlation ( r:−0.28), mood had a significant low positive correlation ( r : 0.39), and physical activity level had a significant low ( rlevel of physical activity: 0.56) to moderate positive correlation ( rMET−minutes/week: 0.71). The acceptability of the Ava bracelet was high for fertility and low for pregnancy tracking. Conclusion Preliminary evidence suggests the Ava bracelet and mobile application estimates of sleep and heart rate are not equivalent to criterion measures in free-living conditions. Further research is needed to establish its utility for collecting prospective, subjective data throughout periods of preconception and pregnancy.

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Female and male sleep duration in association with the probability of conception in two representative populations of reproductive age in US and China

Cited by 12 publications

References 37 publications

Maternal Sleep Problems in the Periconceptional Period and the Impact on Health of Mother and Offspring: A Systematic Review

Maternal Sleep Problems in the Periconceptional Period and the Impact on Health of Mother and Offspring: A Systematic Review

Effects of Sleep Disorders and Circadian Rhythm Changes on Male Reproductive Health: A Systematic Review and Meta-analysis

The Ava bracelet for collection of fertility and pregnancy data in free-living conditions: An exploratory validity and acceptability study

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