Is ADH1B useful for sleep?

Whether ADH1B is useful for sleep cannot be supported by the provided context. ADH1B encodes an alcohol dehydrogenase enzyme; variants affect alcohol metabolism. Alcohol consumption is known to disrupt sleep architecture (reduced REM, increased awakenings). Thus, ADH1B genotype might modulate alcohol's impact on sleep in drinkers. However, no direct evidence links ADH1B to sleep quality or disorders in non-drinkers. MyBody-X DNA tests may report ADH1B variants, but their utility for sleep advice is not established. The evidence is mechanistic/unclear. For sleep improvement, focus on evidence-based practices: consistent sleep schedule, limited caffeine/alcohol, stress management, and medical evaluation for disorders like insomnia or sleep apnea. A single gene test does not provide actionable sleep guidance.