Keyphrases
Sleep Quality
100%
Theanine
100%
Sleep Disturbance
83%
Systematic Literature Review
66%
Bioactive
33%
MEDLINE
16%
Treatment Options
16%
CINAHL
16%
Placebo
16%
Amino Acids
16%
Depressive Symptoms
16%
Reduced Stress
16%
Negative Impact
16%
Systematic Meta-analysis
16%
Meta-analysis
16%
Inclusion Criteria
16%
Scopus
16%
Treatment Duration
16%
PsycINFO
16%
Overall Health
16%
Sleeping Time
16%
Anxiety Symptoms
16%
Web of Science
16%
Public Health Risk
16%
Reporting Item
16%
Plant Bioactive Compounds
16%
Green Tea
16%
Stress Symptoms
16%
Prospero
16%
Cochrane Central Register of Controlled Trials
16%
Sleep Duration
16%
Sleep Efficiency
16%
Sleep Latency
16%
Sleep Parameters
16%
Neurotransmitters
16%
Stress Anxiety
16%
Pharmaceutical Therapy
16%
Objective Sleep
16%
PRISMA 2020
16%
Daytime Dysfunction
16%
Sleep Medication
16%
Optimal Concentration
16%
Early Awakening
16%
Natural Alternatives
16%
Sleepiness
16%
Nursing and Health Professions
Systematic Review
100%
Supplementation
100%
Theanine
100%
Sleep Quality
83%
Sleep Disorder
83%
Sleep Time
33%
CINAHL
16%
Medline
16%
Practice Guideline
16%
Depressive Disorder
16%
Placebo
16%
Nutrition Policy
16%
Meta Analysis
16%
Scopus
16%
Cochrane Library
16%
PsycINFO
16%
Neurotransmitter
16%
Drug Therapy
16%
Amino Acid
16%
Drug Megadose
16%
Latent Period
16%
Sleep Parameters
16%
Somnolence
16%
Treatment Duration
16%
Neuroscience
Sleep Disorder
100%
Sleep Quality
100%
Theanine
100%
Quality of Sleep
100%
Sleep Time
40%
Placebo
20%
Amino Acid
20%
Meta-Analysis
20%
Depressive Disorder
20%
Neurotransmitter
20%
Somnolence
20%
Drug Therapy
20%
Agricultural and Biological Sciences
Feed Supplementation
100%
Systematic Review
100%
Quality of Sleep
100%
Spider Web
33%
Placebo
33%
Meta-Analysis
33%
Nutrition Policy
33%
Bioactive Compound
33%
Green Tea
33%
Neurotransmitter
33%
Psychology
Systematic Review
100%
Quality of Sleep
100%
Depressive Disorder
33%
Public Health
33%
Meta-Analysis
33%
Medline
33%
Drug Therapy
33%
Neurotransmitter
33%
Pharmacology, Toxicology and Pharmaceutical Science
Sleep Disorder
100%
Theanine
100%
Amino Acid
20%
Depressive Disorder
20%
Placebo
20%
Neurotransmitter
20%
Somnolence
20%