First-Night Effect on Sleep in Different Female Reproductive States

Virtanen, Irina; Kalleinen, Nea; Urrila, Anna S.; Polo‐Kantola, Päivi

doi:10.1080/15402002.2016.1228646

Cited by 12 publications

(12 citation statements)

References 32 publications

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“…The minor difference observed in HRV was quite intriguing, given that in our previous analysis on this population, marked differences between first and second nights in sleep parameters were observed in all reproductive groups. These changes included increases in sleep efficiency, S1 and S2 sleep, and decreases in wake after sleep onset, awakenings and SWS during the second night (Virtanen et al ., ). Previously, after a total 40‐h sleep deprivation (Virtanen et al ., ), we detected a significant change in both linear and non‐linear HRV during a recovery night as compared with the pre‐sleep deprivation night.…”

Section: Discussionmentioning

confidence: 97%

First‐night effect on cardiac autonomic function in different female reproductive states

Virtanen

Kalleinen

Urrila

et al. 2017

Journal of Sleep Research

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Decreases in heart rate variability, a marker of autonomic nervous system function, are associated with increased cardiovascular mortality. Heart rate variability increases in non-rapid eye movement sleep, peaking in slow-wave sleep. Therefore, decreasing the amount of deep sleep, for example, by introducing patients to a sleep laboratory environment, could decrease heart rate variability, increasing cardiovascular risk. We studied four groups of women with no previous sleep laboratory experience: young [n = 11, 23.1 (0.5) years]; perimenopausal [n = 15, 48.0 (0.4) years]; postmenopausal without hormone therapy [n = 22, 63.4 (0.8) years]; and postmenopausal on hormone therapy [n = 16, 63.1 (0.9) years], using a cross-sectional design. Polysomnography including electrocardiogram was performed over two consecutive nights. Heart rate variability was assessed overnight, and the first-night effect on heart rate variability was analysed. Furthermore, correlations between heart rate variability and sleep variables were analysed. Using combined groups, only minor changes were observed in non-linear heart rate variability, indicating increased parasympathetic tone from the first to the second night. No group differences in first-night effect were seen. Heart rate variability and sleep variables were not significantly correlated. Heart rate variability decreased with increasing age, and it was lowest in the postmenopausal women on hormone therapy. We conclude that a first night in a sleep laboratory elicits only minimal changes in overnight vagally mediated non-linear heart rate variability in women irrespective of reproductive state. This finding warrants further analyses in different sleep stages, but suggests that changes in sleep architecture per se do not predict the autonomic strain of a poor night.

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Section: Discussionmentioning

confidence: 97%

First‐night effect on cardiac autonomic function in different female reproductive states

Virtanen

Kalleinen

Urrila

et al. 2017

Journal of Sleep Research

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“…In addition, such longitudinal assessment of SB would have presented additional difficulties due to the costs related to a polysomnographic study and the requirement for long‐term patient commitment. A possible disadvantage of a single‐night recording may also have been the fact that sleep during the first night is considered to be lighter ("first night" effect), 23 although the association of this effect on sleep bruxism has not been demonstrated unequivocally 3,24 . In order to minimise this effect, ambulatory rather than hospital‐based PSG was employed in the present study.…”

Section: Discussionmentioning

confidence: 99%

Association between polysomnographic parameters of sleep bruxism and attrition‐type tooth wear

Kapagiannidou

Koutris

Wetselaar

et al. 2021

J of Oral Rehabilitation

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Background Clinically, sleep bruxism is considered to be associated with the presence of tooth wear, but strong evidence is still lacking. Objective To examine whether an association exists between polysomnographic parameters, recorded from patients with possible sleep bruxism and tooth wear. Methods Sixty‐three possible sleep bruxers (19 males and 44 females, mean ± SD age = 38.5 ± 11.4 years) were recruited among patients attending the Clinic for orofacial pain and dysfunction of the Academic Centre for Dentistry Amsterdam (ACTA). The incisal/occlusal tooth wear was recorded for each tooth clinically, using a 5‐point ordinal scale. Subsequently, all patients underwent an one‐night ambulatory polysomnographic recording, during which the number of bruxism episodes per hour of sleep (Epi/h), the number of bruxism bursts per hour of sleep (Bur/h), and the bruxism time index (BTI) were recorded and analysed. Logistic regression analysis was performed using the presence of tooth wear as the dependent variable, the polysomnographic recordings as independent variables, and corrected for age and gender. The Bur/h and BTI were removed from the analyses due to collinearity with the Epi/h. Additionally, the polysomnographic recordings were also tested for possible association with self‐reported grinding of the teeth during sleep. Results No significant correlation was found between tooth wear and Epi/h (P = 0.381). In addition, the presence of tooth wear was not associated with self‐reported parafunctions. Conclusion Clinically measured tooth wear and self‐reported parafunction seem not be related to the polysomnographic parameters of possible sleep bruxism.

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“…The first night effect on sleep is a wellknown phenomenon, 53 shown also in peri-and postmenopausal women. 54 However, some studies have proposed that this effect involves even up to four consecutive nights. 55 A notable strength of our study was the prospective 6-year follow-up design.…”

Section: Effect Of Time Effect Of S-fshmentioning

confidence: 99%

Sleep During Menopausal Transition: A 6-Year Follow-Up

Lampio¹,

Polo‐Kantola²,

Himanen³

et al. 2017

Sleep

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Study Objectives: Menopausal transition is associated with increased dissatisfaction with sleep, but the effects on sleep architecture are conflicting. This prospective 6-year follow-up study was designed to evaluate the changes in sleep stages and sleep continuity that occur in women during menopausal transition. Methods: Sixty women (mean age 46.0 years, SD 0.9) participated. All women were premenopausal at baseline, and at the 6-year follow-up, women were in different stages of menopausal transition. Polysomnography was used to study sleep architecture at baseline and follow-up. The effects of aging and menopause (assessed as change in serum follicle-stimulating hormone [S-FSH]) on sleep architecture were evaluated using linear regression models. Results: After controlling for body mass index, vasomotor, and depressive symptoms, aging of 6 years resulted in shorter total sleep time (B −37.4, 95% confidence interval [CI] −71.5 to (−3.3)), lower sleep efficiency (B −6.5, 95%CI −12.7 to (−0.2)), as well as in increased transitions from slow-wave sleep (SWS) to wakefulness (B 1.0, 95%CI 0.1 to 1.9), wake after sleep onset (B 37.7, 95%CI 12.5 to 63.0), awakenings per hour (B 1.8, 95%CI 0.8 to 2.8), and arousal index (B 2.3, 95%CI 0.1 to 4.4). Higher S-FSH concentration in menopausal transition was associated with increased SWS (B 0.09, 95%CI 0.01 to 0.16) after controlling for confounding factors. Conclusions: A significant deterioration in sleep continuity occurs when women age from 46 to 52 years, but change from premenopausal to menopausal state restores some SWS.

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First-Night Effect on Sleep in Different Female Reproductive States

Abstract: A first night in a sleep laboratory elicits a marked interference of sleep architecture in women of all ages, with a carryover effect of lighter sleep on the second study night. Menopausal state, HT use, or insomnia complaints do not modify this effect.

Cited by 12 publications

References 32 publications

First‐night effect on cardiac autonomic function in different female reproductive states

First‐night effect on cardiac autonomic function in different female reproductive states

Association between polysomnographic parameters of sleep bruxism and attrition‐type tooth wear

Sleep During Menopausal Transition: A 6-Year Follow-Up

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