Couples' Nighttime Sleep Efficiency and Concordance: Evidence for Bidirectional Associations With Daytime Relationship Functioning.
Summary of "Couples' Nighttime Sleep Efficiency and Concordance: Evidence for Bidirectional Associations With Daytime Relationship Functioning."
Objective: To examine prospectively the directionality of the association between daily relationship functioning and nightly sleep quality and the association between couples' relationship functioning and concordance in sleep-wake rhythms. Emerging evidence suggests the existence of bidirectional links between sleep and relational processes in dyads, but to date, this research has been primarily cross sectional. Methods: Sleep was measured via both diaries and wrist actigraphy for 7 days in 29 heterosexual cosleeping couples. Ecological momentary assessment methods were used to characterize daily relationship functioning. Dyadic, multilevel analyses were used to examine the degree to which nightly sleep efficiency or within-couple concordance in sleep timing predicted the next day's relational functioning and vice versa. Results: In the first set of analyses, for men, higher diary-based sleep efficiency predicted less negative partner interaction the following day. For women, less negative partner interaction during the day predicted greater actigraphy-based sleep efficiency that night. Furthermore, if women reported more positive and less negative daytime partner interaction during the day, this also predicted higher diary-based sleep efficiency for their male partners that night. In the second set of analyses, among females only, lower diary- or actigraphy-based sleep onset concordance respectively predicted less positive and more negative partner interactions the next day. Conclusions: Bidirectional associations seem to exist between sleep parameters and interpersonal interaction and may represent a novel pathway linking close relationships with physical and mental health.
Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
This article was published in the following journal.
Name: Psychosomatic medicine
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/20668283
- DOI: http://dx.doi.org/10.1097/PSY.0b013e3181ecd08a
Medical and Biotech [MESH] Definitions
Periods of sleep manifested by changes in EEG activity and certain behavioral correlates; includes Stage 1: sleep onset, drowsy sleep; Stage 2: light sleep; Stages 3 and 4: delta sleep, light sleep, deep sleep, telencephalic sleep.
Sleep Disorders, Intrinsic
Dyssomnias (i.e., insomnias or hypersomnias) associated with dysfunction of internal sleep mechanisms or secondary to a sleep-related medical disorder (e.g., sleep apnea, post-traumatic sleep disorders, etc.). (From Thorpy, Sleep Disorders Medicine, 1994, p187)
Movements or behaviors associated with sleep, sleep stages, or partial arousals from sleep that may impair sleep maintenance. Parasomnias are generally divided into four groups: arousal disorders, sleep-wake transition disorders, parasomnias of REM sleep, and nonspecific parasomnias. (From Thorpy, Sleep Disorders Medicine, 1994, p191)
A sleep disorder of central nervous system origin characterized by prolonged nocturnal sleep and periods of daytime drowsiness. Affected individuals experience difficulty with awakening in the morning and may have associated sleep drunkenness, automatic behaviors, and memory disturbances. This condition differs from narcolepsy in that daytime sleep periods are longer, there is no association with CATAPLEXY, and the multiple sleep latency onset test does not record sleep-onset rapid eye movement sleep. (From Chokroverty, Sleep Disorders Medicine, 1994, pp319-20; Psychiatry Clin Neurosci 1998 Apr:52(2):125-129)
Conditions characterized by disturbances of usual sleep patterns or behaviors. Sleep disorders may be divided into three major categories: DYSSOMNIAS (i.e. disorders characterized by insomnia or hypersomnia), PARASOMNIAS (abnormal sleep behaviors), and sleep disorders secondary to medical or psychiatric disorders. (From Thorpy, Sleep Disorders Medicine, 1994, p187)
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