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KMID : 0607520230310020149
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Korean Journal of Psychosomatic Medicine
2023 Volume.31 No. 2 p.149 ~ p.154
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A Preliminary Study on the Effectiveness of Far-Infrared Emitting Ceramic Mattresses in Improving Sleep Quality
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Kim Seon-Deuk
Kim Min-Ho
Im Woo-Young
Kim Hye-Yun
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Abstract
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Objectives：Far-infrared (FIR) lights have been investigated for sleep quality intervention. We sought to measure the advantageous effects of FIR in sleep using polysomnographic data as the objective outcomes.
Methods：The ten healthy volunteers were enrolled in a single-center, prospective, patient-blind, single-arm trial. Individuals slept on a sham mattress and a FIR emitting mattress with polysomnography for one night each.
Results：Sleep efficiency showed an increasing trend but was not statistically significant. PSQI-K significantly decreased (p=0.013). The latency to REM of the baseline was shorter than that of the intervention (p=0.008). Though there was no statistical significance, Stage N1 and N2 were shortened, and Stage N3 was prolonged after the intervention compared to the baseline.
Conclusions：The FIR-emitting mattresses improved sleep quality on self-reported insomnia. We suggested the candidate for the markers altered by the FIR therapy, such as the normalization of REM latency and increased N3 sleep.
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KEYWORD
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Far-infrared, Sleep, Ceramic mattress
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