Topic
Slow-wave sleep
About: Slow-wave sleep is a research topic. Over the lifetime, 6543 publications have been published within this topic receiving 320663 citations. The topic is also known as: deep sleep.
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TL;DR: The data indicate that age-related changes in sleep propensity are clearly related to a reduced circadian signal opposing the homeostatic drive for sleep.
142 citations
15 Dec 2009-Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine
TL;DR: Although OSA patients demonstrate both a delayed and reduced proportion of SWS compared to non-OSA subjects, once they achieved SWS, AHI, and Al markedly improved in most patients.
Abstract: Introduction:Obstructive sleep apnea (OSA) is widely accepted to improve during slow wave sleep (SWS) compared to lighter stages of NREM sleep. However, supporting data to establish the magnitude a...
142 citations
TL;DR: Sleep stage specific, time domain and frequency domain changes in heart period variability are found, particularly using spectral analysis of heart period, and these results support other investigations demonstrating stage 2 sleep is associated with increased parasympathetic influences and REM sleep isassociated with increased sympathetic and neurohumoral influences.
141 citations
TL;DR: To systematically investigate the effect of NREM sleep on respiratory muscle activity, seven normal male subjects were studied and two tonic muscles and two inspiratory phasic ones were studied, also measuring the response of these muscles to inspiratory resistive loading.
Abstract: Studies of sleep influences on human pharyngeal and other respiratory muscles suggest that the activity of these muscles may be affected by non-rapid-eye-movement (NREM) sleep in a nonuniform manner. This variable sleep response may relate to the pattern of activation of the muscle (inspiratory phasic vs. tonic) and peripheral events occurring in the airway. Furthermore, the ability of these muscles to respond to respiratory stimuli during NREM sleep may also differ. To systematically investigate the effect of NREM sleep on respiratory muscle activity, we studied two tonic muscles [tensor palatini (TP), masseter (M)] and two inspiratory phasic ones [genioglossus (GG), diaphragm (D)], also measuring the response of these muscles to inspiratory resistive loading (12 cmH2O.l-1.s) during wakefulness and NREM sleep. Seven normal male subjects were studied on a single night with intramuscular electrodes placed in the TP and GG and surface electrodes placed over the D and M. Sleep stage, inspiratory airflow, and moving time average electromyograph (EMG) of the above four muscles were continuously recorded. The EMG of both tonic muscles fell significantly (P less than 0.05) during NREM sleep [TP awake, 4.3 +/- 0.05 (SE) arbitrary units, stage 2, 1.1 +/- 0.2; stage 3/4, 1.0 +/- 0.2. Masseter awake, 4.8 +/- 0.6; stage 2, 3.3 +/- 0.5; stage 3/4, 3.1 +/- 0.5]. On the other hand, the peak phasic EMG of both inspiratory phasic muscles (GG and D) was well maintained.(ABSTRACT TRUNCATED AT 250 WORDS)
141 citations
TL;DR: Stimulation enhanced slow oscillation power in children with ADHD and boosted memory performance to the same level as in healthy children indicate that increasing slow oscillating direct current stimulation during sleep by toDCS can alleviate declarative memory deficits.
141 citations