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REM sleep obstructive sleep apnoea.
Eur Respir Rev
January 2024
Department of Respiratory Diseases and Sleep Disorders Centre, AZ Delta, Rumbeke, Belgium.
Obstructive sleep apnoea (OSA) can occur in both rapid eye movement (REM) and non-REM sleep or be limited to REM sleep, when the upper airway is most prone to collapse due to REM sleep atonia. Respiratory events are usually longer and more desaturating in REM than in NREM sleep. The prevalence of REM OSA is higher in women than in men and REM OSA usually occurs in the context of mild-moderate OSA based on the apnoea-hypopnoea index calculated for the entire sleep study.
View Article and Find Full Text PDFRegional variability in intracerebral properties of NREM to REM sleep transitions in humans.
Proc Natl Acad Sci U S A
June 2023
Montreal Neurological Institute and Hospital, McGill University, Montreal, QC H3A 2B4, Canada.
Transitions between wake and sleep states show a progressive pattern underpinned by local sleep regulation. In contrast, little evidence is available on non-rapid eye movement (NREM) to rapid eye movement (REM) sleep boundaries, considered as mainly reflecting subcortical regulation. Using polysomnography (PSG) combined with stereoelectroencephalography (SEEG) in humans undergoing epilepsy presurgical evaluation, we explored the dynamics of NREM-to-REM transitions.
View Article and Find Full Text PDFPsychobehavioural profile in narcolepsy type 1 with and without REM sleep behaviour disorder.
J Sleep Res
April 2024
Sleep and EEG, Neurophysiology Unit, Neurology Department, University Hospital and UMR 6602-Université Clermont Auvergne, CNRS, Institute Pascal, Clermont-Ferrand, France.
REM sleep behaviour disorder (RBD) is common in narcolepsy type 1 (NT1). Abnormalities in the reward system have been observed in NT1, possibly related to impaired orexin projections towards the mesolimbic reward system, but also in RBD when associated with Parkinson's disease. Our study aimed to explore the psychobehavioural profile of NT1 patients with and without RBD compared with healthy controls (HC).
View Article and Find Full Text PDFThe Accuracy and Reliability of Sleep Staging and Sleep Biomarkers in Patients with Isolated Rapid Eye Movement Sleep Behavior Disorder.
Nat Sci Sleep
May 2023
Mayo Center for Sleep Medicine, Departments of Neurology and Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA.
Purpose: This study aimed to establish the diagnostic accuracy of a previously validated sleep staging system in patients with probable isolated REM sleep behavior disorder (iRBD), and to compare physicians' diagnoses of iRBD based on REM sleep without atonia (RSWA) to non-REM hypertonia (NRH), a sleep measure independently associated with Parkinsonian spectrum disorders.
Patients And Methods: Twenty-six patients with a history of dream enactment behavior underwent a diagnostic PSG with simultaneous Sleep Profiler (SP) acquisition at two sites. PSG and SP records were sleep staged, and two sleep neurologists independently diagnosed iRBD based on the presence or absence of polysomnographic identified RSWA.
Sleep architecture and sleep-disordered breathing in fatal insomnia.
Sleep Med
December 2022
Sleep Center, Neurology Service, Hospital Clínic de Barcelona, Barcelona, Spain; Clinical Neurophysiology Group, Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS); CIBER de Enfermedades Neurodegenerativas, Barcelona, Spain. Electronic address:
Study Objectives: Fatal insomnia (FI) is a rare prion disease severely affecting sleep architecture. Breathing during sleep has not been systematically assessed. Our aim was to characterize the sleep architecture, respiratory patterns, and neuropathologic findings in FI.
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