Changes of Sleep Manifestation in Response to Bedding Layers Structure and Mattress Firmness

CHEN Yuxia; GUO Yong; ZHANG Kaiting; SU Na; DU Mengli; LIU Shengquan

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Changes of Sleep Manifestation in Response to Bedding Layers Structure and Mattress Firmness

CHEN Yuxia * #,GUO Yong,ZHANG Kaiting,SU Na,DU Mengli,LIU Shengquan

School of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei, Anhui 230036

*Correspondence author

#Submitted by

Subject:

Funding: none

Opened online: 4 May 2017

Accepted by: none

Citation: CHEN Yuxia,GUO Yong,ZHANG Kaiting.Changes of Sleep Manifestation in Response to Bedding Layers Structure and Mattress Firmness[OL]. [ 4 May 2017] http://en.paper.edu.cn/en_releasepaper/content/4728488

The structural properties of mattress bedding layer and the mattress firmness directly affect support properties of the mattress on human body, and further influence sleep initiation and maintenance. This study combined subjective evaluation and sleep registrations to investigate whether the structural properties of mattress bedding layer and mattress firmness affected sleep quality in healthy subjects. Altogether, 11 normal female sleepers participated in actual sleep experiments on 18 experimental mattresses. Subjects spent more than 4 nights on each of the 18 mattresses in the sleep laboratory. During these days, polysomngraphy was performed and subject body movements were recorded using Ingra-red video cameras. Subjective sleep data were gathered by means of self-report sleep diaries and visual analogue scales. Results showed that average amount of time per night that spent in supine posture (53.02%) were longer than that in lateral posture (45.88%). Mattress bedding layer and its properties influenced sleep quality even more than mattress firmness. Chinese people preferred to sleep in supine posture, the improvement comfort in supine position by means of ergonomic mattress design will do favor sleep.

Keywords:bedding layer properties; sleep quality; spring mattress; sleep movements

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