topicPrebiotic Sleep Quality Randomized Trial
claimThe clinical application of prebiotics has received increasing attention because of their low risk of serious side effects, ease of administration, and high potential to influence the composition and function of intestinal microbiota.
evidence level2
citationTanihiro Reiko (2023)
sourceEffects of Prebiotic Yeast Mannan on Gut Health and Sleep Quality in Healthy Adults: A Randomized, Double-Blind, Placebo-Controlled Study
topicPrebiotic Sleep Quality Randomized Trial
claimWe previously found that yeast mannan (YM) promotes the growth of specificin both in vitro and in vivo studies [,,].
evidence level2
citationTanihiro Reiko (2023)
sourceEffects of Prebiotic Yeast Mannan on Gut Health and Sleep Quality in Healthy Adults: A Randomized, Double-Blind, Placebo-Controlled Study
topicPrebiotic Sleep Quality Randomized Trial
claimAdditionally, YM intake promoted microbial equol production and improved skin dryness [].has attracted attention as a potential probiotic for the relief of Crohn’s disease [], but the effective use of increasinghas not yet been found in many areas.
evidence level2
citationTanihiro Reiko (2023)
sourceEffects of Prebiotic Yeast Mannan on Gut Health and Sleep Quality in Healthy Adults: A Randomized, Double-Blind, Placebo-Controlled Study
topicPrebiotic Sleep Quality Randomized Trial
claim1 2 3 4 5 6 7 8 9 10 10 11 12 7 8 13 9 9 14 Bacteroides Bacteroides thetaiotaomicron Ruminococcus Ruminococcaceae;g_ Clostridiales;f_;g_ B.
evidence level2
citationTanihiro Reiko (2023)
sourceEffects of Prebiotic Yeast Mannan on Gut Health and Sleep Quality in Healthy Adults: A Randomized, Double-Blind, Placebo-Controlled Study
topicPrebiotic Sleep Quality Randomized Trial
claimResults After 8 weeks, subjective insomnia scores and sleep onset and maintenance improved significantly, whereas the stress and mood disturbance scores decreased significantly.
evidence level4
citationSasaki H (2025)
sourceGranola consumption with multiple prebiotics in Japanese participants increases <i>Bifidobacterium</i> abundance and improves stress and subjective sleepiness.
topicPrebiotic Sleep Quality Randomized Trial
claimGut microbiota analysis showed that the relative abundance of Bifidobacterium increased, whereas that of Bacteroides decreased.
evidence level4
citationSasaki H (2025)
sourceGranola consumption with multiple prebiotics in Japanese participants increases <i>Bifidobacterium</i> abundance and improves stress and subjective sleepiness.
topicPrebiotic Sleep Quality Randomized Trial
claimCorrelation analysis suggested a significant association between increased Bifidobacterium level and reduced stress ( r = -0.39, p = 0.0035) and insomnia levels ( r = -0.3, p = 0.026).
evidence level4
citationSasaki H (2025)
sourceGranola consumption with multiple prebiotics in Japanese participants increases <i>Bifidobacterium</i> abundance and improves stress and subjective sleepiness.
topicPrebiotic Sleep Quality Randomized Trial
claimHowever, stress-related sleep disorders are common in Japan, and the gut-brain axis may play a role in sleep and stress management.
evidence level4
citationSasaki H (2025)
sourceGranola consumption with multiple prebiotics in Japanese participants increases <i>Bifidobacterium</i> abundance and improves stress and subjective sleepiness.