What role does IgG Unverträglichkeitstest play in sleep?

IgG intolerance tests are often marketed to identify food sensitivities that supposedly affect sleep. However, the scientific evidence is weak. IgG antibodies to foods commonly indicate exposure and tolerance, not intolerance. No robust studies link IgG test results to improved sleep outcomes. Sleep is influenced by many factors—stress, circadian rhythm, medical conditions, and sleep hygiene—not simply by IgG-mediated food reactions. Therefore, these tests have no proven role in sleep management. MyBody-X does not present such tests as medical diagnostics. For persistent sleep issues, consult a healthcare provider for evidence-based evaluation.