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Sleep and sleepiness in environmental intolerances: a population-based study.

Abstract About one fourth of the general population report environmental intolerance (EI) to odorous/pungent chemicals, certain buildings, electromagnetic fields (EMFs), and/or sounds. EI sufferers show various clinical features, of which sleep disturbance is one. Sleep disturbance is common also in the general population, but it is not known whether the disturbance is more prominent in EI sufferers than in individuals who do not experience EI. Therefore, EI was compared on various sleep aspects with referents without EI.
PMID
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Authors

Mayor MeshTerms
Keywords

Electromagnetic hypersensitivity

Hyperacusis

Insomnia

Multiple chemical sensitivity

Nonspecific building-related symptoms

Obstructive breathing

Journal Title sleep medicine
Publication Year Start




PMID- 27810173
OWN - NLM
STAT- MEDLINE
DCOM- 20171218
LR  - 20171218
IS  - 1878-5506 (Electronic)
IS  - 1389-9457 (Linking)
VI  - 24
DP  - 2016 Aug
TI  - Sleep and sleepiness in environmental intolerances: a population-based study.
PG  - 1-9
LID - S1389-9457(16)30079-X [pii]
LID - 10.1016/j.sleep.2016.06.014 [doi]
AB  - BACKGROUND: About one fourth of the general population report environmental
      intolerance (EI) to odorous/pungent chemicals, certain buildings, electromagnetic
      fields (EMFs), and/or sounds. EI sufferers show various clinical features, of
      which sleep disturbance is one. Sleep disturbance is common also in the general
      population, but it is not known whether the disturbance is more prominent in EI
      sufferers than in individuals who do not experience EI. Therefore, EI was
      compared on various sleep aspects with referents without EI. METHODS: A
      population-based sample of 3406 individuals, aged 18-79 years, was recruited from
      Northern Sweden. Sleep quality, non-restorative sleep, daytime sleepiness,
      obstructive breathing, and nocturnal insomnia were assessed with the Karolinska
      Sleep Questionnaire. Single questions assessed time slept, amount of hours of
      needed sleep, and extent of enough time slept. RESULTS: All four EI groups,
      compared to the referents, reported significantly poorer sleep quality, more
      non-restorative sleep, more daytime sleepiness, more obstructive breathing and
      higher prevalence of nocturnal insomnia than the referents. Nocturnal insomnia
      was an important factor for EI groups attributing their most prevalent symptoms
      to chemicals and sounds, irrespective of distress and certain syndromes. None of 
      the EI groups differed significantly from the referents on time slept, but
      reported needing more sleep time (the EMF-intolerance group showing only a
      tendency), and all four groups reported to perceive enough sleep to a
      significantly lesser extent. CONCLUSION: Sleep disturbance and daytime sleepiness
      are more common in individuals reporting EI compared to normal referents.
      Moreover, nocturnal insomnia is an important symptom in its own right in various 
      types of EI. This evokes the question of whether or not sleep therapy may
      attenuate the severity of the EI.
CI  - Copyright (c) 2016. Published by Elsevier B.V.
FAU - Nordin, Maria
AU  - Nordin M
AD  - Department of Psychology, Umea University, Sweden; Stress Research Institute,
      Stockholm University, Sweden. Electronic address: [email protected]
FAU - Nordin, Steven
AU  - Nordin S
AD  - Department of Psychology, Umea University, Sweden.
LA  - eng
PT  - Journal Article
DEP - 20160721
PL  - Netherlands
TA  - Sleep Med
JT  - Sleep medicine
JID - 100898759
SB  - IM
MH  - Adult
MH  - Aged
MH  - Disorders of Excessive Somnolence/epidemiology
MH  - Environmental Exposure/*statistics & numerical data
MH  - Female
MH  - Humans
MH  - Male
MH  - Middle Aged
MH  - Multiple Chemical Sensitivity/*epidemiology
MH  - Noise/adverse effects
MH  - Prevalence
MH  - Sleep/*physiology
MH  - Sleep Initiation and Maintenance Disorders/*epidemiology
MH  - Surveys and Questionnaires
MH  - Sweden/epidemiology
OTO - NOTNLM
OT  - Electromagnetic hypersensitivity
OT  - Hyperacusis
OT  - Insomnia
OT  - Multiple chemical sensitivity
OT  - Nonspecific building-related symptoms
OT  - Obstructive breathing
EDAT- 2016/11/05 06:00
MHDA- 2017/12/19 06:00
CRDT- 2016/11/05 06:00
PHST- 2016/01/14 00:00 [received]
PHST- 2016/05/04 00:00 [revised]
PHST- 2016/06/30 00:00 [accepted]
PHST- 2016/11/05 06:00 [pubmed]
PHST- 2017/12/19 06:00 [medline]
PHST- 2016/11/05 06:00 [entrez]
AID - S1389-9457(16)30079-X [pii]
AID - 10.1016/j.sleep.2016.06.014 [doi]
PST - ppublish
SO  - Sleep Med. 2016 Aug;24:1-9. doi: 10.1016/j.sleep.2016.06.014. Epub 2016 Jul 21.