期刊
SLEEP MEDICINE
卷 32, 期 -, 页码 97-104出版社
ELSEVIER
DOI: 10.1016/j.sleep.2016.11.019
关键词
Polysomnography; First-night effect; Reverse first-night effect; Actigraphy
资金
- National Institutes of Health
- National Institute on Aging (NIA)
- National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- National Center for Advancing Translational Sciences (NCATS)
- NIH Roadmap for Medical Research [U01 AG027810, U01 AG042124, U01 AG042139, U01 AG042140, U01 AG042143, U01 AG042145, U01 AG042168, U01 AR066160, UL1 TR000128]
- National Heart, Lung, and Blood Institute (NHLBI) [R01 HL071194, R01 HL070848, R01 HL070847, R01 HL070842, R01 HL070841, R01 HL070837, R01 HL070838, R01 HL070839]
Background: The first-night effect of polysomnography (PSG) has been previously studied; however, the ability to quantify the sleep disruption level has been confounded with the use of PSG on all nights. We used actigraphy to quantify disruption level and examined characteristics associated with disruption. Methods: Totally, 778 older men (762 +/- 5.4 years) from a population-based study at six US centers underwent one night of in-home PSG. Actigraphy was performed on the PSG night and three subsequent nights. Actigraphically measured total sleep time (TST), sleep efficiency (SE), wake after sleep onset (WASO), and sleep onset latency (SOL) from the PSG night and subsequent nights were compared. Linear regression models were used to examine the association of characteristics and sleep disruption. Results: On average, sleep on the PSG night was worse than the following night (p < 0.05, TST 21 +/- 85 min less, SE 2.3 +/- 11.3% less, WASO 4.9 +/- 51.8 min more, SOL 6.6 +/- 56.2 min more). Sleep on the PSG night was significantly worse than that two and three nights later. Characteristics associated with greater sleep disruption on the PSG night included older age, higher apnea-hypopnea index, worse neuromuscular function, and more depressive symptoms. Minorities and men with excessive daytime sleepiness slept somewhat better on the PSG night. Conclusions: Among older men, there was sleep disruption on the PSG night, which may lead to sleep time underestimation. The increase of sleep on the night after the PSG suggests that data from the second monitoring may overestimate sleep. (C) 2016 Elsevier B.V. All rights reserved.
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