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Cited by 509

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Daytime Sleepiness and Sleep Habits of Australian Workers

Johns, Murray, Hocking, Bruce·1997·Sleep

Abstract

Excessive daytime sleepiness in the general community is a newly recognized problem about which there is little standardized information. Our aim was to measure the levels of daytime sleepiness and the prevalence of excessive daytime sleepiness in a sample of Australian workers and to relate that to their self-reported sleep habits at night and to their age, sex, and obesity. Sixty-five percent of all 507 employees working during the day for a branch of an Australian corporation answered a sleep questionnaire and the Epworth sleepiness scale (ESS) anonymously. Normal sleepers, without any evidence of a sleep disorder, had ESS scores between 0 and 10, with a mean of 4.6 +/- 2.8 (standard deviation). They were clearly separated from the "sleepy" patients suffering from narcolepsy or idiopathic hypersomnia whose ESS scores were in the range 12-24, as described previously. ESS scores > 10 were taken to represent excessive daytime sleepiness, the prevalence of which was 10.9%. This was not related significantly to age (22-59 years), sex, obesity, or the use of hypnotic drugs but was related significantly but weakly to sleep-disordered breathing (frequency of snoring and apneas), the presence of insomnia, and reduced time spent in bed (insufficient sleep).

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Crossref · 10.1093/sleep/20.10.844

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Metadata

Authors
Johns, M., & Hocking, B.
Venue
Sleep
Published
1997-10
Volume
20
Issue
10
Pages
844-847
ISSN
  • 0161-8105 (ISSN-L)
  • 1550-9109
OpenAlex
W82338283
Cited by
509
References
0
FWCI
12.32
Type
journal article
Language
en
Open access
closed

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