Food

Dietary polyphenols

Dietary factor.

In practice

It depends on the case; there is no single guideline.

Effect by goal · level of evidence

Sleep quality

association Low study (AA)

Observational study (1,936 Italian adults): higher intake of certain dietary polyphenols was associated with better sleep quality. Cross-sectional association (does not prove cause), consistent with the bidirectional relationship between diet and sleep.

View the study (study) →

In depth

Diet · Highest evidence: Low · 1 finding

Findings

Sleep quality — association (Low, study). Observational study (1,936 Italian adults): higher intake of certain dietary polyphenols was associated with better sleep quality. Cross-sectional association (does not prove causation), consistent with the bidirectional relationship between diet and sleep. 32357534

Information, not medical advice. Prescription drugs require a doctor.

Information, not medical advice. Scientific evidence reflects the quality of the studies.