What to watch with Zink and sleep?

Zinc is often linked to sleep, but the evidence is mixed. Some studies suggest zinc deficiency may impair sleep quality, and supplementation in deficient individuals can improve sleep duration and efficiency. However, in people with adequate zinc levels, benefits are minimal. High doses (>40 mg/day) can cause nausea and copper deficiency. MyBody-X DNA tests may include SNPs like SLC30A8 related to zinc metabolism, but their relevance to sleep is not clinically validated. Do not rely solely on genetic tests; a doctor can assess zinc status via blood test. Overall, zinc is not a magic bullet for sleep – a balanced diet and good sleep hygiene are more impactful.