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Neurology
Meta-analysis
Meta-analysis finds probiotics modestly improve sleep quality with low certainty
Probiotics may modestly improve sleep quality, review finds
This meta-analysis of 39 trials (4094 participants) found that probiotic supplementation modestly improved global sleep quality (MD -0.71 on…
A meta-analysis of 39 trials found probiotics slightly improved sleep quality and daytime function, but effects were small and evidence unce…
Frontiers
May 23, 2026
Rheumatology
RCT
Study protocol outlines randomized trial of 40 Hz auditory stimulation for postoperative sleep disturbance
Could quiet headphones help patients sleep better after gynecological surgery?
This document describes a protocol for a randomized controlled trial involving 342 patients scheduled for laparoscopic gynecological surgery…
A new trial will test if playing a 40 Hz sound during gynecological surgery helps patients sleep better the first night after the operation.
Frontiers
Apr 16, 2026
Psychiatry
Meta-analysis
Meta-analysis of Stellate Ganglion Block shows improved sleep metrics in patients with sleep disturbances
Could a simple nerve block help you sleep longer and deeper?
This systematic review and meta-analysis evaluated seven studies involving patients who received a Stellate Ganglion Block (SGB) compared to…
Patients receiving a nerve block in the neck slept longer, fell asleep faster, and enjoyed deeper rest compared to those who did not receive…
Frontiers
Apr 6, 2026
Emergency Medicine
RCT
Multi-component environmental control intervention shows feasibility for sleep promotion in ventilated ICU patients
Small pilot study tests sleep environment intervention for ventilated ICU patients
A pilot randomized controlled trial in 17 mechanically ventilated ICU patients with minimal sedation assessed the feasibility of a multi-com…
A small Chilean ICU study shows that dynamic lights, sound masking, and grouped care checks are feasible ways to help ventilated patients sl…
Apr 4, 2026
Anesthesiology & Pain Medicine
RCT
Progressive Muscle Relaxation May Reduce Pain and Improve Sleep After Open Heart Surgery
Relaxation technique may help reduce pain and improve sleep after heart surgery
A single-center, single-blind RCT of 60 patients undergoing open heart surgery found that twice-daily Progressive Muscle Relaxation (PMR) on…
A simple relaxation technique helped heart surgery patients cut pain from a 9 out of 10 to just 1.5 and sleep better within three days.
Apr 3, 2026