Abstract
Objectives
Major age and sex differences are reported in bedroom habits and bedroom characteristics.
However, few studies have investigated whether such bedroom habits and characteristics
differ between patients with chronic insomnia disorder and good sleepers.
Methods
We assessed the association between several bedroom habits (i.e. electronic media
use, bed sharing) and bedroom characteristics (i.e. bedroom temperature, blackout
curtains) and chronic insomnia disorder among 1001 randomly selected adults responding
to a telephone survey in Norway. Response rate was 63%. Insomnia symptoms were evaluated
with the validated Bergen Insomnia Scale (with ICSD-3/DSM-5 criteria).
Results
Chronic insomnia disorder was associated with reporting worse bed comfort, having
newer beds, more noise stemming from both within and outside the building, higher
bedroom temperature during the summer, and not preferring the supine position when
trying to sleep. However, we found no associations between chronic insomnia disorder
and electronic media use in bed, reading in bed, how important the mattress, pillow
and comforter were rated, bed sharing, bedroom temperature during winter, open or
closed bedroom window, use of blackout curtains, and most self-reported preferred
body positions for sleep.
Conclusion
We found few and small differences in bedroom habits and bedroom characteristics between
respondents with and without chronic insomnia disorder. Future studies with experimental
and longitudinal designs should investigate whether and how such habits and characteristics
are causally and temporally linked to insomnia.
Keywords
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Article info
Publication history
Published online: February 04, 2018
Accepted:
December 4,
2017
Received in revised form:
November 9,
2017
Received:
June 16,
2017
Identification
Copyright
© 2017 National Sleep Foundation. Published by Elsevier Inc. All rights reserved.
