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L-Theanine for SleepStudienlage & Dosis

Alpha-Wellen, isoliert ohne Koffein für Schlaf-Anwendung.

Studien zuletzt aktualisiert 10. Mai 2026

Studienlage in Zahlen

Studien gesamt: 139
Mit Abstract: 49
Meta / Systematic / RCT: 38
Häufig zitiert: 50
Erscheinungsjahre: 1971–2026

L-Theanine for Sleep im Kontext von Schlaf

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Zur Welt Schlaf

Top-Studien zu L-Theanine for Sleep

Sortiert nach einflussreichen Zitationen und Erscheinungsjahr.

Therapeutic potential of natural molecules against Alzheimer's disease via SIRT1 modulation.
Biomed Pharmacother2023Review74 einflussreiche Zitationen
Alzheimer's disease (AD) is a neurodegenerative disease mainly characterized by progressive cognitive dysfunction and memory impairment. Recent studies have shown that regulating silent information regulator 1 (SIRT1) expression has a…
Recent advances in the utilization of tea active ingredients to regulate sleep through neuroendocrine pathway, immune system and intestinal microbiota.
Crit Rev Food Sci Nutr2023Review71 einflussreiche Zitationen
Sleep disorders have received widespread attention nowadays, which have been promoted by the accelerated pace of life, unhealthy diets and lack of exercise in modern society. The chemical medications to improve sleep has shown serious side…
L-theanine, unique amino acid of tea, and its metabolism, health effects, and safety.
Crit Rev Food Sci Nutr2017Review68 einflussreiche Zitationen
Tea has been a very popular beverage around the world for centuries. The reason that it is delicious, enabling hydration, showing warming and relaxing effect can be mentioned why it is consumed so much in addition to its prominent health…
Medicinal herbs for the treatment of anxiety: A systematic review and network meta-analysis.
Pharmacol Res2022n=29meta64 einflussreiche Zitationen
BACKGROUND: Anxiety disorder is a common psychiatric illness. Medicinal herbs have become a field of interest in the treatment of anxiety. This study aimed to evaluate and compare the efficacy and acceptability of all possible medicinal…
Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial.
Nutrients2019n=30RCT61 einflussreiche Zitationen
This randomized, placebo-controlled, crossover, and double-blind trial aimed to examine the possible effects of four weeks L-theanine administration on stress-related symptoms and cognitive functions in healthy adults. Participants were 30…
Herbal and Natural Supplements for Improving Sleep: A Literature Review.
Psychiatry Investig2024n=184other55 einflussreiche Zitationen
OBJECTIVE: Herbal and natural supplements have gained popularity as alternative treatments to insomnia and sleep disorders due to their perceived safety and potential effectiveness. This literature review summarizes the current evidence on…
Effect of matcha green tea on cognitive functions and sleep quality in older adults with cognitive decline: A randomized controlled study over 12 months.
PLoS One2024n=99rct46 einflussreiche Zitationen
OBJECTIVE: Lifestyle habits after middle age significantly impact the maintenance of cognitive function in older adults. Nutritional intake is closely related to lifestyle habits; therefore, nutrition is a pivotal factor in the prevention…
Nutritional Modulation of Sleep Latency, Duration, and Efficiency: A Randomized, Repeated-Measures, Double-Blind Deception Study.
Med Sci Sports Exerc2023n=16rct43 einflussreiche Zitationen
PURPOSE: This study aimed to test the hypothesis that a novel nutritional blend composed of tryptophan, glycine, magnesium, tart cherry powder, and l -theanine enhances subjective and objective measures of sleep during free living…
Uncovering the effects and mechanisms of tea and its components on depression, anxiety, and sleep disorders: A comprehensive review.
Food Res Int2024review40 einflussreiche Zitationen
Depression, anxiety and sleep disorders are prevalent psychiatric conditions worldwide, significantly impacting the physical and mental well-being of individuals. The treatment of these conditions poses various challenges, including…
A comprehensive review on bioavailability, safety and antidepressant potential of natural bioactive components from tea.
Food Res Int2022Review38 einflussreiche Zitationen
Depression is a global public health issue with high morbidity and mortality, which tends to cause fatigue, inability to concentrate, insomnia, and loss of appetite, especially represented by major depressive disorder (MDD).…

Häufige Fragen

Welche Dosierung wurde in den Studien untersucht?

• Tea active ingredients (L-theanine, caffeine, tea polyphenols, tea pigments, tea polysaccharides, GABA) (not reported)

Für welche Population gilt die Evidenz?

Die meisten Studien untersuchten: unknown.

Gibt es Sicherheitshinweise zu L-Theanine for Sleep?

• Not reported in the abstract. • Acceptability included discontinuation due to adverse events. • The abstract does not specify which adverse events occurred. • Not reported