Auditory arousal responses and thresholds during REM and NREM sleep of sleepwalkers and controls

Sleep Medicine
Mathieu PilonAntonio Zadra

Abstract

It has been suggested that sleepwalkers are more difficult to awaken from sleep than are controls. However, no quantified comparisons have been made between these two populations. The main goal of this study was to assess arousal responsiveness via the presentation of auditory stimuli (AS) in sleepwalkers and controls during normal sleep and recovery sleep following sleep deprivation. Ten adult sleepwalkers and 10 age-matched control subjects were investigated. After a screening night, participants were presented with AS during slow-wave sleep (SWS), REM, and stage 2 sleep either during normal sleep or daytime recovery sleep following 25 h of sleep deprivation. The AS conditions were then reversed one week later. When compared to controls sleepwalkers necessitated a significantly higher mean AS intensity (in dB) to induce awakenings and arousal responses during REM sleep whereas the two groups' mean values did not differ significantly during SWS and stage 2 sleep. Moreover, when compared to controls sleepwalkers had a significantly lower mean percentage of AS that induced arousal responses during REM sleep while the opposite pattern of results was found during SWS. The data indicate that sleepwalkers have a higher auditory awak...Continue Reading

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Citations

Mar 7, 2014·Behavioral Sleep Medicine·Jitka BuškováKarel Sonka
Nov 13, 2012·PloS One·Lukas L ImbachChristian R Baumann
Nov 12, 2013·Sleep Medicine·Marc-Antoine LabelleAntonio Zadra
Sep 16, 2019·Sleep & Breathing = Schlaf & Atmung·Giuseppe LoddoFederica Provini
Nov 23, 2018·Clocks & Sleep·Maria HrozanovaRenata L Riha
Sep 9, 2020·Neurophysiologie clinique = Clinical neurophysiology·Nicolas CarpentierAlex Desautels
Jul 13, 2021·Frontiers in Neurology·Geneviève ScavoneAntonio Zadra

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