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The relationship between micronutrient status and sleep patterns: a systematic review.
Xiaopeng Ji1, Michael A Grandner2, Jianghong Liu1
11School of Nursing, University of Pennsylvania,418 Curie Blvd,Philadelphia,PA 19104,USA.
Public Health Nutrition
|October 6, 2016
Summary
Micronutrients like iron and magnesium may influence sleep stages and duration. Further research is needed to understand the complex relationship between micronutrient status and sleep health across all ages.
Area of Science:
- Nutritional Science
- Sleep Medicine
- Public Health
Background:
- Sleep patterns are crucial for overall health and well-being.
- Micronutrients play vital roles in various physiological processes, potentially including sleep regulation.
- Existing research suggests a possible link between nutrient status and sleep quality.
Purpose of the Study:
- To systematically review existing literature on the association between dietary and circulating micronutrients and sleep patterns.
- To identify gaps and implications for future research and public health practices concerning micronutrients and sleep.
Main Methods:
- A systematic review of studies was conducted.
- Searches were performed in PubMed, Embase, and Scopus databases up to January 2016.
- Included both experimental and observational studies, excluding those focused on sleep impairment due to comorbidities.
Main Results:
- Twenty-six articles were selected for review.
- Micronutrients, particularly iron (Fe) and magnesium (Mg), show potential roles in infant sleep stage development and age-related sleep architecture.
- Sleep duration is positively associated with Fe, zinc (Zn), and Mg, and negatively with copper (Cu), potassium (K), and vitamin B12.
Conclusions:
- Emerging evidence suggests a link between micronutrient status and sleep, despite a low number of studies.
- Further research is required to explore dose-dependent and longitudinal relationships, nutrient interactions, and clinical relevance for sleep health.
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