Sleep Med Psychophysiol.  2016 Dec;23(2):61-67. 10.14401/KASMED.2016.23.2.61.

Comparative Effects of Mattress Type on Subjective and Objective Sleep Quality: A Preliminary Study

Affiliations
  • 1Department of Psychiatry and Center for Sleep and Chronobiology, Seoul National University College of Medicine and Hospital, Seoul, Korea. ewpsyche@snu.ac.kr
  • 2Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.

Abstract


OBJECTIVES
We aimed to evaluate the effects of mattress type on both objective and subjective sleep quality in healthy good sleepers.
METHODS
Fifteen healthy good sleepers with a mean age of 30.8 years participated in this study. A randomized crossover trial was carried out using two different mattress types: a standard mattress and a contour coil mattress. After a night of adaptation, all participants were randomized to either a standard mattress or a contour coil mattress. Then, nocturnal polysomnography was conducted for two consecutive nights. Subjective evaluations were obtained using a self-report questionnaire before and after the polysomnographic recording sessions.
RESULTS
The polysomnographic showed no differences in total sleep time, sleep stage, or wake time after sleep onset between the two mattress conditions. Of the polysomnographic variables, only sleep onset latency was significantly reduced for the contour coil mattress. Additionally, participants reported better subjective sleep quality when sleeping on the contour coil mattress, according to the questionnaires.
CONCLUSION
The type of mattress might affect not only subjective, but also objective sleep quality, including sleep onset latency.

Keyword

Beds; Sleep; Surveys and questionnaires; Polysomnography

MeSH Terms

Polysomnography
Sleep Stages
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