Related Experiment Video
Updated: Jun 23, 2026
07:56
Photobiomodulation Under Electroencephalographic Controls of Sleep for Stimulation of Lymphatic Removal of Toxins from Mouse Brain
Published on: June 28, 2024
Photobiomodulation and sleep quality: systematic review and meta-analysis
Wellington Marcos Vital de Azevedo1, Kevlin de Souza1, Maria Luiza Defante1
1Hospital São Vicente de Paulo (HSVP), Bom Jesus do Itabapoana, Brazil.
Lasers in Medical Science
|June 20, 2026
Summary
Photobiomodulation (PBM) may improve sleep quality, according to a meta-analysis of clinical trials. This non-invasive light therapy showed benefits for sleep, but more research is needed to confirm efficacy.
Area of Science:
- Neuroscience
- Sleep Medicine
- Biomedical Engineering
Background:
- Sleep disturbances are a growing public health concern, linked to brain metabolism and neuroinflammation.
- Photobiomodulation (PBM), using red or near-infrared light, shows potential for modulating brain function relevant to sleep.
Conclusions:
- PBM shows potential as a non-pharmacological intervention for improving sleep quality.
- Current evidence is limited by methodological heterogeneity and requires cautious interpretation.
- Further large-scale, standardized trials are necessary to confirm efficacy and safety.
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