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Published in: The Journal of Headache and Pain 1/2013

Open Access 01-12-2013 | Research article

Sleep-related and non-sleep-related migraine: interictal sleep quality, arousals and pain thresholds

Authors: Morten Engstrøm, Knut Hagen, Marte Bjørk, Gøril Bruvik Gravdahl, Trond Sand

Published in: The Journal of Headache and Pain | Issue 1/2013

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Abstract

Background

The mechanisms associating sleep and migraine are unknown. No previous polysomnographic (PSG) or pain-threshold (PT) study has compared patients with sleep-related migraine attacks (SM), non-sleep related migraine attacks (NSM) and healthy controls.

Methods

We have performed a blinded, prospective exploratory study with case–control design. Thirty-four healthy controls, 15 patients with SM and 18 patients with NSM had interictal PSG heat-, cold- and pressure PT (HPT, CPT, PPT) recordings and completed diary- and questionnaire on sleep and headache related aspects.

Results

NSM patients had more slow-wave sleep (SWS) and more K-bursts than SM patients (K-bursts: p = 0.023 and SWS: p = 0.030) and controls (K-bursts: p = 0.009 and SWS: 0.041). NSM patients also had lower HPT and CPT than controls (p = 0.026 and p = 0.021). In addition, SM patients had more awakenings and less D-bursts than controls (p = 0.025 and p = 0.041).

Conclusion

SM- and NSM patients differed in objective-, but not subjective sleep quality. NSM patients had PSG findings indicating foregoing sleep deprivation. As foregoing sleep times were normal, a relative sleep deficit might explain reduced PT among NSM patients. The SM patients had signs of slightly disturbed sleep.
Appendix
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Metadata
Title
Sleep-related and non-sleep-related migraine: interictal sleep quality, arousals and pain thresholds
Authors
Morten Engstrøm
Knut Hagen
Marte Bjørk
Gøril Bruvik Gravdahl
Trond Sand
Publication date
01-12-2013
Publisher
Springer Milan
Published in
The Journal of Headache and Pain / Issue 1/2013
Print ISSN: 1129-2369
Electronic ISSN: 1129-2377
DOI
https://doi.org/10.1186/1129-2377-14-68

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