How are DNA Stoffwechselanalyse | inkl. 28-Tage-Plan & Rezeptbuch and sleep related?

The DNA metabolism analysis with a 28-day plan and recipe book from MyBody-X claims to personalize nutrition, which may also improve sleep. There is indeed a bidirectional relationship between metabolism and sleep: chronic sleep deprivation disrupts glucose metabolism and hormonal regulation, while tailored nutrition can support circadian rhythms. However, the evidence that dietary recommendations based on single gene variants (e.g., PPARG, ACTN3, CLOCK) significantly improve sleep is weak. Most studies show small effect sizes, and direct-to-consumer tests often overstate benefits. In Germany, such tests are regulated by the Genetic Diagnostics Act (GenDG), which restricts medical use without physician oversight. The 28-day plan may promote general healthy habits, but the specific genetic component for sleep improvement is not well supported. Safety note: For sleep disorders, consult a doctor rather than relying solely on genetic tests.