Related Experiment Video
Updated: Feb 14, 2026
10:34
Double Direct Injection of Blood into the Cisterna Magna as a Model of Subarachnoid Hemorrhage
Published on: August 30, 2020
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Sleep and Cognitive Dysfunction in Subarachnoid Hemorrhage: A Scoping Review
Dayeon Son1, Julia K Veitinger1, Revika Singh1
1Department of Neurology, Northwestern Feinberg School of Medicine, Chicago, IL 60611, USA.
Journal of Clinical Medicine
|February 13, 2026
Summary
Subarachnoid hemorrhage (SAH) survivors frequently experience persistent sleep and cognitive issues, impacting recovery and daily life. Current assessments often miss these crucial long-term deficits.
Area of Science:
- Neurology
- Neuroscience
- Sleep Medicine
Background:
- Subarachnoid hemorrhage (SAH) causes significant long-term disability, especially in younger individuals.
- Traditional outcome scales may not fully capture the extent of disability in SAH survivors.
Purpose of the Study:
- To review current evidence on sleep and cognitive dysfunction in SAH survivors.
- To identify gaps in the assessment and management of these post-SAH sequelae.
Main Methods:
- Scoping review using PRISMA-ScR protocol.
- Screened 2243 publications across PubMed, EMBASE, and Web of Science.
- Analyzed 115 studies published between 1980 and 2025.
Main Results:
- Sleep disturbances (insomnia, hypersomnia, sleep apnea) are prevalent and linked to fatigue, mood, and cognitive issues.
- Cognitive deficits (memory, executive function, attention) persist, hindering reintegration.
- SAH research underrepresents sleep and cognition compared to traumatic brain injury (TBI) literature.
Conclusions:
- Standard outcome measures inadequately capture SAH survivor deficits.
- There is a need for standardized assessments, longitudinal data, and interventions for sleep and cognitive dysfunction.
- Neuroinflammation may be a therapeutic target for improving long-term brain health in SAH survivors.
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