Heart rate (HR) is modulated by the combined effects of the sympathetic and
parasympathetic nervous systems. Therefore, measurement of changes in HR over time …

Cardiovascular and respiratory parameters change during sleep and wakefulness. This
observation underscores an important, albeit incompletely understood, role for the central …

Obstructive sleep apnea (OSA) syndrome is a common sleep disorder suffered by an
increasing number of people worldwide. As an alternative to polysomnography (PSG) for …

Pediatric obstructive sleep apnea (OSA) is associated with chronic systemic inflammation
and with cognitive impairments. This study aimed to investigate the status of proinflammatory …

The risk of cardiovascular disease is known to be increased in obstructive sleep apnea
syndrome (OSAS). Its mechanism can be explained by the observation that the sympathetic …

Abstract Study Objectives: To evaluate vitamin D (25 (OH) D) levels in obstructive sleep
apnea syndrome (OSAS) and possible relationships to OSAS severity, sleepiness, lung …

Introduction Obstructive Sleep Apnea (OSA) is a major risk factor for cardiovascular disease.
The goal of this study was to demonstrate whether the use of CPAP produces significant …

Background Sleep disturbances are well‐documented among persons with irritable bowel
syndrome (IBS). Difficulty in falling asleep, shorter sleep time, frequent arousal and …

Obstructive sleep apnea (OSA) is a common respiratory disorder that is associated with
autonomic dysfunction. The low-frequency power to high-frequency power ratio (LF/HF) …

Background: Heart rate variability (HRV) and electrocardiogram (ECG)-derived respiration
(EDR) have been used to detect sleep apnea (SA) for decades. The present study proposes …