1202 sleep evidence claims,
each scored for scientific confidence
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Representative claims people are checking:
Tart cherry juice (240ml twice daily) increases total sleep time by approximately 84 minutes and improves sleep efficiency in older adults with insomnia. The effect is attributed to natural melatonin content and procyanidins.
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All topics →Ambien, Xanax, Lunesta… and the natural stacks people use instead
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Trending Evidence
View all →Melatonin reduces sleep onset latency by approximately 7 minutes in adults with primary sleep disorders
A comprehensive meta-analysis of 19 RCTs (1,683 participants) found melatonin reduces sleep latency by ~7 minutes and increases total sleep time by ~8 minutes. Effects are more pronounced in older adults and those with circadian rhythm disruptions.
Low-dose melatonin (0.5mg) effectively shifts circadian rhythm for jet lag, shift work, and delayed sleep phase syndrome
Melatonin is the most potent chronobiotic available. Administered 5 hours before dim-light melatonin onset (DLMO), even low doses (0.5mg) produce a 1-2 hour phase advance. This makes it effective for jet lag, shift work adaptation, and delayed sleep phase syndrome. Timing is more critical than dose.
Glycine reduces sleep latency in human RCTs
Glycine (3g before bed) significantly reduces sleep onset latency and improves subjective sleep quality in healthy adults. Evidence from 3 human RCTs shows consistent effects, with the mechanism involving NMDA receptor modulation and thermoregulation.
Moderate-intensity aerobic exercise (150 min/week) significantly improves sleep quality in adults with chronic insomnia
A 4-week RCT found 150 min/week of moderate aerobic exercise significantly improved PSQI scores and objective sleep measures in adults with chronic insomnia. Exercise is recommended as a first-line behavioral intervention for insomnia.
Glycine improves overall sleep quality and reduces daytime sleepiness
Beyond reducing sleep latency, glycine (3g before bed) improves PSG-measured sleep quality including increased REM sleep and reduced nocturnal awakenings. Daytime sleepiness and fatigue are also significantly reduced the following morning.
Ashwagandha root extract (300mg BID) significantly improves sleep quality and reduces sleep onset latency in adults with insomnia
A well-designed 8-week RCT (n=138) found ashwagandha root extract significantly improved PSQI scores, reduced sleep onset latency, and improved sleep efficiency. Benefits were most pronounced in adults with insomnia and anxiety.
Fresh Evidence
Recently added, highest-rated claims
NIV may confer greater short-term clinical benefit in children with severe acute asthma requiring respiratory support
In a systematic review and meta-analysis of pediatric asthma exacerbations, non-invasive ventilation (NIV) showed the greatest improvement in asthma scores compared to oxygen (MD = 1.24, p = 0.07), reaching significance in sensitivity analysis (MD = 2.5, p < 0.001). High-flow nasal cannula (HFNC) showed no significant benefit over oxygen (MD = 0.24, p = 0.58) and was associated with higher failure rates compared to NIV (12.6% vs. 2.6%, OR = 5.3, p < 0.001).
CPAP therapy improves surrogate, intermediate, and functional cardiovascular outcomes in adults with obstructive sleep apnea, particularly blood pressure, left ventricular function, and sympathetic activity.
This umbrella review of 38 systematic reviews and meta-analyses found that CPAP therapy was associated with significant reductions in systolic blood pressure (MD -4.8 mmHg) and diastolic blood pressure (MD -3.0 mmHg), improvements in left ventricular ejection fraction (MD 3.27) and diastolic function (WMD 0.22), and reduced sympathetic activity (noradrenaline SMD -1.10). However, the certainty of evidence ranged from low to moderate, and no consistent reduction in major adverse cardiovascular events or mortality was demonstrated.
Single-use negative pressure wound therapy (PICO 7) is a safe and feasible alternative to conventional care for chronic lower limb wounds, with favorable trends in wound area reduction but no statistically significant between-group difference.
In a randomized controlled trial of 31 patients with chronic lower limb wounds, the PICO 7 group showed a higher mean percentage reduction in wound size compared to usual care, but the difference was not statistically significant. No infections were recorded in the PICO 7 group, and quality of life and physical activity remained stable in the intervention group while declining in the control group. A significant negative correlation was found between final wound size and hours of sleep, suggesting wound reduction facilitates better rest.
LCR35 supplementation does not significantly improve pruritus or sleep outcomes in maintenance hemodialysis patients
In a 12-week randomized, open-label controlled study of 78 maintenance hemodialysis patients, LCR35 supplementation (three sachets daily) showed descriptive improvements in pruritus (5-D Itch Scale) and selected sleep outcomes (PSQI), but none of the baseline-adjusted between-group differences were statistically significant. For example, the 5-D Itch Scale difference was -1.48 (95% CI, -3.64 to 0.68; p = 0.176) and global PSQI difference was -0.80 (95% CI, -2.09 to 0.50; p = 0.225).
Stellate ganglion block may alleviate postherpetic neuralgia by modulating neurovascular function, inhibiting inflammatory responses, and blocking pain transmission pathways, but evidence-based data on its efficacy and safety remain insufficient.
This protocol describes a systematic review and meta-analysis to evaluate the efficacy and safety of stellate ganglion block (SGB) for postherpetic neuralgia (PHN). The study will search multiple databases up to December 31, 2025, and will use standard meta-analytic methods. The abstract notes that current evidence is insufficient and inconsistent, indicating the need for this review.
Adjunctive mindfulness-based cognitive therapy improves short-term sleep quality in late-life depression
In a randomized controlled trial of 60 older adults with late-life depression, adding MBCT to treatment as usual improved subjective sleep quality (PSQI) at 8 weeks (between-group difference in change: -3.80, 95% CI -6.50 to -1.10) and increased stable sleep duration by 0.94 hours (95% CI 0.17 to 1.71) compared to TAU alone. Reduced functional connectivity between the right nucleus accumbens and left amygdala during meditation relative to rest was associated with greater increases in stable sleep duration (r=0.45, p=0.013).
Evidence Explorer
100 claimsSynchronous tele-pulmonary rehabilitation may enhance safety and group camaraderie, while asynchronous delivery offers flexibility and individualized engagement.
This narrative review from a 2025 ATS symposium discusses unresolved issues in tele-pulmonary rehabilitation, comparing synchronous vs. asynchronous delivery, equipment needs, and outcomes. Synchronous tele-PR may improve safety and real-time feedback, whereas asynchronous delivery provides flexibility. The review emphasizes that all PR models must deliver core components and be rigorously evaluated.
Nature-based physical activity may improve sleep disturbances in breast cancer survivors
The paper discusses that breast cancer survivors frequently experience sleep disturbances, and nature-based physical activity (NBPA) is proposed as a promising complementary approach to improve these outcomes. However, direct evidence specifically addressing breast cancer survivors remains limited, and the proposed mechanisms are considered plausible hypotheses requiring further validation.
Coffee consumption prior to physical activity may support endurance performance, reduce perceived exertion, and attenuate muscle pain, particularly during prolonged or demanding exercise and under conditions of sleep restriction or circadian misalignment.
This narrative review suggests that coffee intake before exercise can enhance endurance performance and reduce perceived exertion and muscle pain, especially in prolonged or demanding exercise contexts and when sleep is restricted or circadian rhythm is disrupted. However, effects on muscle strength and power are less consistent, and individual responses vary due to genetics, habitual intake, and circadian timing.
A machine learning model using routinely available variables can identify COPD patients at increased risk of exercise-induced desaturation during the 6-minute walk test.
The study developed a screening-oriented machine learning approach to identify COPD patients at risk of exercise-induced desaturation (EID), defined as SpO2 < 90% with a decrease of ≥ 4%p. Among 1,788 patients, 10.3% exhibited EID. The XGB model achieved the highest sensitivity and stable performance in the test set, with baseline SpO2 and diffusion capacity of the lung for carbon monoxide as the most influential predictors.
Long sleep duration and low physical activity are associated with sarcopenia in older adults, supporting a 24-hour exercise rehabilitation framework.
This observational study found that long sleep duration and low physical activity are linked to sarcopenia in older adults. The findings suggest that a 24-hour approach integrating sleep and activity may be beneficial for rehabilitation. Specific numbers were not provided in the abstract.
Exercise affects sleep outcomes in research
Probable Serotonin Syndrome Precipitated by the Addition of Trazodone to Lurasidone and Valproic Acid: A Case Report.. Published in Sante mentale au Quebec (2026). PMID: 42490704.
High role overload among nursing students is associated with frequent night shifts, irregular sleep, and lack of physical exercise.
A cross-sectional study of 512 nursing students identified three latent profiles of role overload (low, moderate, high). Students in the high overload group reported significantly more frequent night shifts, irregular sleep, and less physical exercise compared to other groups (all p < 0.05).
High-intensity aerobic exercise improves cardiorespiratory fitness and selected motor outcomes in carefully screened and supervised Parkinson's disease patients
The review suggests that high-intensity aerobic exercise and high-intensity interval training may improve cardiorespiratory fitness and selected motor outcomes in Parkinson's disease patients. However, this is based on limited clinical evidence with heterogeneous definitions of exercise intensity, small samples, and short intervention periods.
Exercise interventions that satisfy students' basic psychological needs for autonomy, competence, and relatedness are more decisive for weight reduction than the specific exercise modality prescribed.
This paper argues that the effectiveness of exercise interventions for weight reduction among university students depends more on whether the delivery of exercise satisfies psychological needs (autonomy, competence, relatedness) per Self-Determination Theory than on the specific type of exercise. It reinterprets barriers like weight-related self-stigma, low exercise self-efficacy, academic time pressure, and digital overload as threats to these needs.
The Integrated Resilience Method improves chronic low back pain management in women over 50
The Integrated Resilience Method is a six-pillar framework for postmenopausal women with chronic low back pain, integrating exercise, pain education, and self-efficacy as core components with the strongest evidence. It addresses biopsychosocial factors including hormonal change, sarcopenia, sleep disruption, fear-avoidance, and caregiving stress.
A 3-month school-based exercise and data recording intervention reduces excessive screen time and increases trunk muscle mass in Japanese junior high school students.
A 3-month school-based intervention with biweekly group exercise and daily activity recordings was conducted in 127 Japanese junior high school students. Screen time significantly decreased in students with baseline screen time ≥4 h/day, while it increased in those with <4 h/day. Body mass index and trunk muscle mass increased significantly in both groups, but psychological measures and sleep duration showed no significant changes.
Parkinson's disease is a neurodegenerative disorder caused by the loss of dopaminergic neurons, and its management requires a multifaceted approach addressing motor and non-motor symptoms, including sleep challenges.
This review paper synthesizes the pathophysiology, treatment strategies, and wellness approaches for Parkinson's disease (PD), emphasizing the complexity of clinical features and the importance of managing both motor and non-motor symptoms such as sleep disorders. It highlights the benefits of exercise, the importance of sleep, and the need for a hopeful mindset, while noting that PD remains incurable despite recent advances.
Newest Studies
All →Machine Learning-Based Prediction of Sleep Quality in Patients with Multiple Sclerosis.
Medical sciences (Basel, Switzerland), 2026 · observational
Comparing Respiratory Support Modalities in Pediatric Asthma Exacerbation-A Systematic Review and Meta-Analysis.
Pediatric reports, 2026 · meta
Digital health promotion, prevention and health literacy measures among seafarers and crews on cargo and passenger ships: A scoping review.
PloS one, 2026 · observational
Decreased accumbens-amygdala connectivity is associated with sleep improvement in late-life depression following mindfulness-based cognitive therapy.
Journal of affective disorders, 2026 · rct
Recently Updated
All →Insomnia induces intestinal microbiota disorder, and artificial interventions targeting gut microbiota can improve sleep.
This narrative review summarizes evidence that insomnia can disrupt intestinal microbiota by activating immune responses, the HPA axis, and neuroendocrine systems, while gut microbiota can exacerbate insomnia via neurotransmitter and inflammatory factor release. Artificial interventions such as probiotics, traditional Chinese medicine, fecal microbiota transplantation, diet, and exercise may improve sleep by affecting neurotransmitter and microbial metabolite release.
Melissa officinalis Phytosome (MOP) improves sleep quality in adults with mild insomnia
In a double-blind, placebo-controlled crossover study, MOP significantly reduced Insomnia Severity Index (ISI) scores by an average of 2.9 points compared to placebo (6.8 ± 4.1 vs 9.7 ± 3.7, p=0.003). Slow-wave sleep (SWS) duration increased by 15%, REM sleep decreased by 10%, and 87% of treated participants reported improved sleep quality versus 30% in the placebo group (χ²=21.01, p=0.0003).
Gut microbiota taxa are causally associated with insomnia risk in European ancestry individuals
A Mendelian randomization study identified that Enterorhabdus, Family XIII AD3011 group, Paraprevotella, and Lachnospiraceae UCG004 increase insomnia risk, while Coprococcus1, Coprobacter, Desulfovibrio, Flavonifractor, Olsenella, Odoribacter, and Oscillibacter decrease risk. For specific insomnia phenotypes, Eisenbergiella increased risk of trouble falling asleep, while Haemophilus and Eubacterium brachy group reduced it; Family XIII UCG001, Lachnospiraceae FCS020 group, and Olsenella increased risk of waking too early, while Eubacterium brachy group and Victivallis reduced it.
Six hub herb pairs (Radix Astragali-Radix et Rhizoma Ginseng, Rhizoma Chuanxiong-Radix Glycyrrhizae, Seman Platycladi-Semen Ziziphi Spinosae, Pericarpium Citri Reticulatae-Radix Glycyrrhizae, Radix Polygalae-Semen Ziziphi Spinosae, Radix Astragali-Semen Ziziphi Spinosae) may treat insomnia via the cAMP signaling pathway synergistically with HIF-1, prolactin, chemical carcinogenesis receptor activation, and PI3K-Akt signaling pathways.
This study analyzed 104 TCM prescriptions for insomnia using data mining, network pharmacology, and molecular docking. Six hub herb pairs were identified, and network pharmacology suggested they may act through the cAMP signaling pathway in synergy with four other pathways, with molecular docking showing good binding affinity between active ingredients and hub targets.
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