Related Experiment Video
Updated: Mar 14, 2026
07:24
Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
Published on: August 22, 2025
607
Influence of lateral motion transfer on sleep
J J Wellman1, M Bohannon, G W Vogel
1Sleep Disorders Center of Georgia, Atlanta 30342, USA. jimw@sleepsciences.com
Perceptual and Motor Skills
|November 2, 1999
Summary
Artificial bed partner motion significantly disrupts sleep architecture, increasing light sleep and decreasing deep sleep. Mattress motion transfer properties influence the extent of sleep disturbance, potentially increasing vulnerability to environmental noise.
Area of Science:
- Sleep science
- Biomedical engineering
- Human factors engineering
Background:
- Understanding sleep disruption is crucial for public health.
- Mattress motion transfer is a potential factor affecting sleep quality.
Purpose of the Study:
- To investigate the impact of artificial bed partner motion on human sleep.
- To assess how mattress properties influence motion transfer and sleep disruption.
Main Methods:
- Utilized an artificial bed partner (a 240-lb roller) on different mattresses.
- Measured sleep variables using polysomnography and subjective questionnaires.
- Compared sleep data from nights with motion (Roller On) versus no motion (Roller Off).
Main Results:
- Lateral mattress motion significantly increased Stage 1 sleep and decreased Stage 3/4 sleep.
- Sleep efficiency and awakenings were not significantly altered overall.
- Greater motion transfer across mattresses led to more pronounced changes in sleep architecture.
Conclusions:
- Motion transferred across a mattress can disrupt sleep depth.
- This disruption may lower the arousal threshold, increasing susceptibility to environmental stimuli like noise.
- Mattress design plays a role in mitigating or exacerbating sleep disruption from motion.
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