Cardiorespiratory changes associated with micro-arousals during naps - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Neurobiology of Sleep and Circadian Rhythms Année : 2023

Cardiorespiratory changes associated with micro-arousals during naps

Résumé

The autonomic nervous system (ANS) and the central nervous system (CNS) interplay during sleep, particularly during phasic events such as micro-arousals, has been the subject of several studies. The underlying mechanisms of such relationship which remain unclear, specifically during daytime sleep, were partly investigated in this study. Napping polysomnography was performed on two occasions at least one week apart in 15 healthy subjects. The following cardiorespiratory variables were extracted from the recordings: tachogram, pulse transit time (PTT), pulse wave amplitude, respiratory cycle amplitude, and frequency. Two experts first detected microarousal events, then, cardiorespiratory variables were averaged by 30-s epochs over 2 min centered on the onset of the micro-arousals. We found that in the 30 s preceding the arousal events as detected on the electroencephalogram (EEG) recordings, there was a decrease in tachogram, pulse wave amplitude, and PTT values while the respiratory amplitude increased. These changes were more prominent in stage N2 and N3 sleep than in stage N1. The present findings provide new insights into the autonomic changes during the pre-arousal period in daytime naps, as all the variables investigated suggest a sympathetic physiological origin for the changes.
Fichier principal
Vignette du fichier
Attoh-Mensah et al. - 2023 - Cardiorespiratory changes associated with micro-ar.pdf (1.1 Mo) Télécharger le fichier
Origine : Publication financée par une institution
Licence : CC BY NC ND - Paternité - Pas d'utilisation commerciale - Pas de modification

Dates et versions

hal-04039390 , version 1 (21-03-2023)

Identifiants

Citer

Elpidio Attoh-Mensah, Ivan Igor Gaez, Lydie Vincent, Nicolas Bessot, Clément Nathou, et al.. Cardiorespiratory changes associated with micro-arousals during naps. Neurobiology of Sleep and Circadian Rhythms, 2023, pp.100093. ⟨10.1016/j.nbscr.2023.100093⟩. ⟨hal-04039390⟩
32 Consultations
20 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More