Breathing during REM and non-REM sleep: correlated versus uncorrelated behaviour

Jan W. Kantelhardt, Thomas Penzel, Sven Rostig, Heinrich F. Becker, Shlomo Havlin and Armin Bunde

Physica A: Statistical Mechanics and its Applications, 2003, vol. 319, issue C, 447-457

Abstract: Healthy sleep can be characterized by several stages: deep sleep, light sleep, and REM sleep. Here we show that these sleep stages lead to different autonomic regulation of breathing. Using the detrended fluctuation analysis up to the fourth order we find that breath-to-breath intervals and breath volumes separated by several breaths are long-range correlated during the REM stages and during wake states. In contrast, in the non-REM stages (deep sleep and light sleep), long-range correlations are absent. This behaviour is very similar to the correlation behaviour of the heart rate during the night and may be related to the phase synchronization between heartbeat and breathing found recently. We speculate that the differences are caused by different cortically influenced control of the autonomic nervous system.

Keywords: Breathing; Sleep stages; Autonomic regulation; Scaling analysis; Long-range correlations; Detrended fluctuation analysis (search for similar items in EconPapers)
Date: 2003
References: View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:319:y:2003:i:c:p:447-457

DOI: 10.1016/S0378-4371(02)01502-9

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