topicZinc Sleep Onset Randomized Trial
claimTart cherry juice, rich in melatonin, has been linked to improved sleep duration and quality [,,].
evidence level2
citationShoji Kentaro (2026)
sourceHyperoside-Rich Blueberry Leaf Tea Improves Sleep Continuity in Adults with Poor Sleep: A Two-Week Randomized Double-Blind Controlled Trial
topicZinc Sleep Onset Randomized Trial
claim15 Given this background, our previous interventional trial served as a pilot study to explore the sleep-improving effects of hyperoside, a flavonoid abundantly found in blueberry leaves [].
evidence level2
citationShoji Kentaro (2026)
sourceHyperoside-Rich Blueberry Leaf Tea Improves Sleep Continuity in Adults with Poor Sleep: A Two-Week Randomized Double-Blind Controlled Trial
topicZinc Sleep Onset Randomized Trial
claimFollowing fermentation, the leaves were brought to room temperature (25 °C) and dried at 70 °C using a hot-air dryer until the moisture content was reduced to below 5%.
evidence level2
citationShoji Kentaro (2026)
sourceHyperoside-Rich Blueberry Leaf Tea Improves Sleep Continuity in Adults with Poor Sleep: A Two-Week Randomized Double-Blind Controlled Trial
topicZinc Sleep Onset Randomized Trial
claim1 2 3 4 5 6 Sleep is essential for maintaining overall health and well-being; however, sleep problems remain a major public health concern.
evidence level2
citationShoji Kentaro (2026)
sourceHyperoside-Rich Blueberry Leaf Tea Improves Sleep Continuity in Adults with Poor Sleep: A Two-Week Randomized Double-Blind Controlled Trial
topicZinc Sleep Onset Randomized Trial
claimSleep is a complex biological process whose evolutionary purpose has remained equivocal for quite some time.More recently, however, compelling evidence has emerged, leading to recognition of the numerous metabolic and physiological functions sleep contributes to and actively supports.
evidence level4
citationConti Federica (2026)
sourceDietary Protocols to Promote and Improve Restful Sleep: A Narrative Review
topicZinc Sleep Onset Randomized Trial
claimEpidemiological studies have revealed that sleep deprivation is associated with an increased risk of all-cause mortality,alongside numerous chronic conditions imposing a heavy burden on our healthcare and socioeconomic systems alike,including cardiovascular disease, stroke, obesity, type 2 diabetes, and various types of cancer and neurological disorders.
evidence level4
citationConti Federica (2026)
sourceDietary Protocols to Promote and Improve Restful Sleep: A Narrative Review
topicZinc Sleep Onset Randomized Trial
claimThe scope of this narrative review is to summarize the available evidence on the mechanisms of action and potential benefits of the above-listed nutrients in the context of acute or chronic sleep disturbances.
evidence level4
citationConti Federica (2026)
sourceDietary Protocols to Promote and Improve Restful Sleep: A Narrative Review
topicZinc Sleep Onset Randomized Trial
claim, , Over the past few decades, there has been an increasing appreciation of the negative impact of sleep disturbances and circadian misalignments on all aspects of human health and performance, ranging from objective alertness, learning, memory, and cognition to emotional regulation, social wellbeing and, most remarkably, physical health.
evidence level4
citationConti Federica (2026)
sourceDietary Protocols to Promote and Improve Restful Sleep: A Narrative Review