How the circadian clock regulates downstream behaviors, such as sleep, remains poorly understood. A new study reveals that clock-dependent downscaling of GABA sensitivity of arousal neurons promotes wakefulness at dawn.
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Low-Intensity Online Intervention for Mental Distress Among Help-Seeking Young People in Hong Kong: A Randomized Clinical Trial.
JAMA Netw Open
January 2025
Department of Psychiatry, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong.
Importance: Mental health issues among young people are increasingly concerning. Conventional psychological interventions face challenges, including limited staffing, time commitment, and low completion rates.
Objective: To evaluate the effect of a low-intensity online intervention on young people in Hong Kong experiencing moderate or greater mental distress.
Personal light treatment devices: a countermeasure to improve sleep, fatigue, and circadian misalignment in an operational setting.
Sleep Adv
December 2024
Operational Readiness and Health Directorate, Naval Health Research Center, San Diego, CA, USA.
Carefully timed light exposure is a promising countermeasure to overcome the negative sleep and circadian implications of shift work. However, many lighting interventions are static and applied at the group level (e.g.
View Article and Find Full Text PDFConducting 24-hour movement behaviour research with preschool children in middle-income countries: Lessons from the SUNRISE pilot study in Mexico.
Public Health Pract (Oxf)
June 2025
Instituto Nacional de Salud Pública, Morelos, Mexico.
Objectives: Movement behaviour research among preschoolers is nascent in low- and middle-income countries, where levels of physical activity, sleep, and sedentary behaviour in children are largely unknown. This study aimed to adapt and assess the acceptability and feasibility of the International Study of Movement Behaviours in the Early Years (SUNRISE) in Mexico, and report on challenges and solutions while implementing the protocol.
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Exercise type and settings, quality of life, and mental health in coronary artery disease: a network meta-analysis.
Eur Heart J
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Department of Physical Education and Sports, Faculty of Sport Sciences, Sport and Health University Research Institute (iMUDS), University of Granada, Carretera de Alfacar, S/N 18071, Granada, Spain.
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View Article and Find Full Text PDFSleep Disturbance and Postconcussive Symptoms in Pediatric Mild Traumatic Brain Injury and Orthopedic Injury.
J Head Trauma Rehabil
September 2024
Author Affiliations: Department of Psychology, University of Calgary, Calgary, Alberta (Ms Luszawski and Dr Yeates); Alberta Children's Hospital Research Institute, Calgary, Alberta (Ms Luszawski and Dr Yeates); Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta (Ms Luszawski and Dr Yeates); Department of Pediatrics, Case Western Reserve University, Cleveland, Ohio (Ms Minich, Dr Bacevice, and Dr Bangert); Rainbow Babies and Children's Hospital, University Hospitals Cleveland Medical Center, Cleveland, Ohio (Ms Minich and Dr Bacevice); Department of Psychology and Neuroscience, Brigham Young University, Provo, Utah and Departments of Neurology and Psychiatry, University of Utah, Salt Lake City, Utah (Dr Bigler); Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio (Dr Taylor); Department of Pediatrics, The Ohio State University, Columbus, Ohio (Drs Taylor, Cohen, and Zumberge); Emergency Medicine, Nationwide Children's Hospital, Columbus, Ohio (Dr Cohen); Department of Radiology, University Hospitals of Cleveland, Cleveland, Ohio (Dr Bangert); Radiology, Nationwide Children's Hospital, Columbus, Ohio (Dr Zumberge); Educational and Counselling Psychology, University of British Columbia, Vancouver, British Columbia (Dr Tomfohr-Madsen); Neurosciences Program, Alberta Children's Hospital, Calgary, Alberta (Dr Brooks); and Departments of Pediatrics, Clinical Neurosciences, and Psychology, University of Calgary, Calgary, Alberta (Dr Brooks).
Objective: Sleep disturbance (SD) is common after pediatric mild traumatic brain injury (mTBI) and may predict increased postconcussive symptoms (PCS) and prolonged recovery. Our objective was to investigate the relation of SD with PCS in children with mTBI and those with orthopedic injury (OI).
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