Determination of the sleep–wake pattern and feasibility of NREM/REM discrimination using the non‐invasive piezoelectric system in rats

Summary The piezoelectric cage‐floor sensors have been used to successfully dissect sleep patterns in mice based on signal features related to respiration and body movements. We studied performance of the piezoelectric system to quantify the sleep–wake pattern in the rat over 7 days of recording com...

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Bibliographic Details
Published in:Journal of sleep research 2021-12, Vol.30 (6), p.e13373-n/a
Main Authors: Vanneau, Théo, Quiquempoix, Michael, Trignol, Aurélie, Verdonk, Charles, Van Beers, Pascal, Sauvet, Fabien, Gomez‐Merino, Danielle, Chennaoui, Mounir
Format: Article
Language:English
Subjects:
automated
electroencephalogram
Life Sciences
non‐invasive sleep scoring
photoperiod
piezoelectric
rat
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Summary:Summary The piezoelectric cage‐floor sensors have been used to successfully dissect sleep patterns in mice based on signal features related to respiration and body movements. We studied performance of the piezoelectric system to quantify the sleep–wake pattern in the rat over 7 days of recording compared with a visual electroencephalogram/electromyogram scoring, and under two light/dark (LD12:12 and LD16:8) photoperiods leading to change in the 24‐hr sleep characteristics (N = 7 per group). The total sleep time (%/24 hr) over the 7 days recording and hourly sleep time over the last 24‐hr recording were not statistically different between methods under the two photoperiods. Both methods detected higher total sleep time with the LD16:8 photoperiod compared with LD12:12 (p 
ISSN:0962-1105
1365-2869
DOI:10.1111/jsr.13373