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Sleep wake instability: Arousal systems and clinical perspectives

Tracks
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Track 2
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Track 5
Friday, October 10, 2025
9:00 AM - 10:30 AM
Hall L

Overview

ANZSSA Plenary


Details

This session will present the latest knowledge and understanding about the brain systems and the neurophysiological mechanisms that regulate sleep-wake states, the systems responsible for arousal and awakenings from sleep, and how these mechanisms may explain features of clinical disorders of arousal. It will focus on the key nuclei of the ascending reticular arousal system i.e., orexin and noradrenaline, and how these systems interact to modulate sleep wake stability. It will answer the questions: How do the brain’s arousal systems control sleep functions? Can we refine how we detect and characterise arousals? How does sleep instability present clinically in insomnia, narcolepsy and hypersomnia, and how do we manage disorders of sleep and wake instability?


Speaker

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Prof Yuval Nir
Tel Aviv University

Sensory processing in sleep and systems mediating sensory-evoked awakenings

9:00 AM - 9:18 AM

Biography

Rick Wassing

To continue sleep or wake up: EEG spectral determinants of sleep instability in insomnia

9:18 AM - 9:36 AM

Biography

Dr Sheila Sivam
Sleep Physician
Woolcock Institute of Medical Research

REM Intruder: Sleep-wake instability in narcolepsy

9:36 AM - 9:54 AM

Biography

Tony Fernando

Sleep-wake dissociations – manifestations and clinical management

9:54 AM - 10:12 AM

Biography

Mrs Nicole Verginis
Chief Clinical Scientist
Monash Children's Hospital

Chair

Biography

Andrea Ricciardiello

Chair

Biography

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