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Cited by 135Sleep and related disordersSleep and Work-Related FatigueSleep and Wakefulness Research

Situational insomnia: consistency, predictors, and outcomes

Bonnet, Michael H., Arand, Donna L.·2003·SLEEP
DOI 10.1093/sleep/26.8.1029
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Abstract

STUDY OBJECTIVES: The purpose of this study was to determine the consistency of situational insomnia across several stressful conditions, including the first night in the sleep laboratory, phase advance of sleep time by 3 hours, phase advance of sleep time by 6 hours, and administration of 400 mg of caffeine. The impact of situational insomnia on alertness, metabolic rate, and cardiac measures on the following day was also measured. DESIGN AND SETTING: Subjects spent 5 to 7 nights and the following days in the laboratory. Standard polysomnographic recordings were made on each night. On each day, subjects had a Multiple Sleep Latency Test, performance testing, and metabolic and heart-rate observation periods. PARTICIPANTS: Fifty adult normal sleepers. INTERVENTIONS: Subjects had 1 night with their sleep phase advanced by 3 hours, 1 night with sleep phase advanced by 6 hours, and 1 night with the administration of 400 mg of caffeine 30 minutes prior to lights out. MEASUREMENT AND RESULTS: Sleep efficiency was reduced and variability was increased in each of the stressful conditions, as predicted. Those subjects with the greatest sleep efficiency on the adaptation night (top 25%) were compared with those subjects with the lowest sleep efficiency on the adaptation night (bottom 25%). Those subjects with the poorest sleep on the adaptation night (situational insomnia) had normal sleep on the baseline night that followed but had significantly reduced sleep efficiency when their sleep was advanced or they were given caffeine. Those same subjects had a significant decrease on their Multiple Sleep Latency Test on the day following the 6-hour advance and a significant increase in their Multiple Sleep Latency Test on the day following caffeine administration. The good sleepers had no significant change in their Multiple Sleep Latency Test during any of the study conditions. In terms of demographic variables, the situational insomnia group used less alcohol and tended to include a higher percentage of men. The situational insomnia group also had an elevated heart rate and increased low-frequency and decreased high-frequency electrocardiographic spectral power compared to the good sleepers. Significant differences were not found on personality or historical reports of poor sleep. CONCLUSIONS: Normal young adults have a consistent response to various types of situational stress. Those individuals who respond with poor sleep may display increased sleepiness associated with their poor sleep but may also be more sensitive to the effects of caffeine. These individuals have cardiac changes consistent with sympathetic nervous system activation, and they may be at risk for developing insomnia and other associated disorders.

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Crossref · 10.1093/sleep/26.8.1029

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  • Three high-risk studies did not implement a washout period, with conditions administered across consecutive nights.

    “and three of these studies [26,43,53] did not implement a washout period with conditions administered across consecutive nights.”

    From The effect of caffeine on subsequent sleep: A systematic review and meta-analysis (2023) · cites this paper as [43]

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Authors
Bonnet, M. H., & Arand, D. L.
Affiliations
Wright State University (US)
Corresponding author
Bonnet, Michael H.
Venue
SLEEP
Publisher
Oxford University Press (OUP)
Published
2003-12
Volume
26
Issue
8
Pages
1029-1036
ISSN
  • 0161-8105 (ISSN-L)
  • 1550-9109
DOI
10.1093/sleep/26.8.1029
OpenAlex
W38849259
Cited by
135
References
29
Citations by year
2026: 2 · 2025: 5 · 2024: 5 · 2023: 11 · 2022: 12 · 2021: 6 · 2020: 8 · 2019: 5 · 2018: 5 · 2017: 5 · 2016: 8 · 2015: 7 · 2014: 7 · 2013: 6 · 2012: 5
FWCI
6.19
Type
journal article
Language
en
Open access
closed
Locations
  • SLEEP (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
Keywords
sleep efficiency, sleep phase advance, caffeine, sleepiness, multiple sleep latency test, cardiac autonomic response, sympathetic activation, sleep efficiency variability, predictors of poor sleep
MeSH terms
Adult, Electrocardiography, Female, Humans, Sleep Initiation and Maintenance Disorders, Male, Oxygen, Posture, Predictive Value of Tests, Surveys and Questionnaires, Severity of Illness Index, Sleep Stages, Polysomnography

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