{"count":4,"index":{"built_at":"2026-07-28T03:44:24.469466+00:00","public_records":55311,"revision":"e5eb289cfa6e4c187a340476"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Evidence check: Ferritin in the context of Schlaf"},"results":[{"answer":"Ferritin is a storage protein for iron, and low ferritin indicates iron deficiency. Iron deficiency can impair sleep, particularly through Restless Legs Syndrome (RLS) or reduced oxygen delivery. However, a single ferritin measurement without other clinical parameters (e.g., hemoglobin, transferrin saturation) is insufficient to diagnose a sleep disorder. The evidence for a direct causal link between ferritin and sleep quality is mostly mechanistic and based on observational studies. Consumer tests like MyBody-X often measure ferritin in blood, but interpretation should always be done by a physician, as many factors (inflammation, time of day, diet) affect the value. An isolated low ferritin without symptoms does not justify self-treatment. For sleep issues with suspected iron deficiency, a full iron panel and medical evaluation are recommended.","area":"gesundheit","canonical_id":"gesundheit:canonical-2df152a1f8da6784378d9089","id":"public-22b6acdbabca0ede1c60308a","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Ferritin Eisenmangel in the context of Schlaf","score":18.10269918,"snippet":"Ferritin is a storage protein for iron, and low ferritin indicates iron deficiency. Iron deficiency can impair sleep, particularly through Restless Legs Syndrome (RLS) or reduced oxygen delivery. However, a single ferritin measurement without other clinical parameters (e.g., hemoglobin, transferrin saturation) is insufficient to diagnose a sleep disorder. The evidence for a direct causal link between ferritin and sleep quality is mostly mechanistic and based on observational studies. Consumer tests like MyBody-X often measure ferritin in blood, but interpretation should always be done by a physician, as many factors (inflammation, time of day, diet) affect the value. An isolated low ferritin","sources":[],"title":"Evidence check: Ferritin Eisenmangel in the context of Schlaf","url":"https://tikki.wiki/wissen/gesundheit/frage/public-22b6acdbabca0ede1c60308a/evidence-check-ferritin-eisenmangel-in-the-context-of-schlaf/","verification":{"claim_support_verified":false,"human_reviewed":false,"quote_exact_match":false,"source_identity_verified":false,"tier":"existing_native_answer_privacy_screened_sources_pending"}},{"answer":"Ferritin is an iron-storage protein and a key biomarker for the body's iron status. Low ferritin levels are clinically linked to sleep disturbances, particularly Restless Legs Syndrome (RLS), which causes uncomfortable leg sensations and an urge to move, often disrupting sleep. Studies indicate that iron supplementation can improve RLS symptoms and sleep quality when ferritin is below 50–75 µg/L. However, ferritin is also an acute-phase reactant: it can be elevated due to inflammation, infection, or chronic disease, masking true iron deficiency. Therefore, a single ferritin measurement is insufficient to diagnose sleep disorders. MyBody-X may include ferritin in its blood test panels, but such consumer tests provide only a snapshot and are not diagnostic. The evidence linking ferritin to sleep is moderate, based on clinical observations rather than large RCTs from the provided context. For a comprehensive assessment, additional markers like CRP, serum iron, and transferrin saturation should be evaluated. Iron supplementation should only be undertaken after medical consultation, as excess iron can be harmful.","area":"gesundheit","canonical_id":"gesundheit:canonical-0bffff66d803385fb1e54e24","id":"public-a91f871c2aba25cf8ad8c8e9","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Ferritin in the context of Schlaf","score":18.01732553,"snippet":"Ferritin is an iron-storage protein and a key biomarker for the body's iron status. Low ferritin levels are clinically linked to sleep disturbances, particularly Restless Legs Syndrome (RLS), which causes uncomfortable leg sensations and an urge to move, often disrupting sleep. Studies indicate that iron supplementation can improve RLS symptoms and sleep quality when ferritin is below 50–75 µg/L. However, ferritin is also an acute-phase reactant: it can be elevated due to inflammation, infection, or chronic disease, masking true iron deficiency. Therefore, a single ferritin measurement is insufficient to diagnose sleep disorders. MyBody-X may include ferritin in its blood test panels, but su","sources":[],"title":"Evidence check: Ferritin in the context of Schlaf","url":"https://tikki.wiki/wissen/gesundheit/frage/public-a91f871c2aba25cf8ad8c8e9/evidence-check-ferritin-in-the-context-of-schlaf/","verification":{"claim_support_verified":false,"human_reviewed":false,"quote_exact_match":false,"source_identity_verified":false,"tier":"existing_native_answer_privacy_screened_sources_pending"}},{"answer":"The iron-ferritin self-test measures stored iron (ferritin) in capillary blood. Low ferritin (<30–50 µg/L) is associated with Restless Legs Syndrome (RLS) and poorer sleep quality, as iron is crucial for dopamine synthesis and myelination. The evidence for this link is human-moderate: numerous observational studies and small trials show that iron supplementation in ferritin deficiency can reduce RLS symptoms and improve sleep. However, ferritin is an acute-phase reactant; inflammation, infection, or liver disease can falsely elevate levels. A self-test cannot diagnose sleep disorders—it only identifies a potential risk factor. Sleep problems are usually multifactorial (stress, light, genetics, other deficiencies). Interpretation should always be done by a physician, especially before iron supplementation, as iron overload is toxic. The test is useful as a screening tool but insufficient for clinical decision-making in sleep. Evidence: human-moderate for the iron-sleep connection, but the test itself is a practice/marketing product with limited clinical validation in the sleep context.","area":"gesundheit","canonical_id":"gesundheit:canonical-99018b4c151e8be356214802","id":"public-c990ce23198d8b834bd76649","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Eisen-Ferritin Selbsttest in the context of Schlaf","score":18.01395795,"snippet":"The iron-ferritin self-test measures stored iron (ferritin) in capillary blood. Low ferritin (<30–50 µg/L) is associated with Restless Legs Syndrome (RLS) and poorer sleep quality, as iron is crucial for dopamine synthesis and myelination. The evidence for this link is human-moderate: numerous observational studies and small trials show that iron supplementation in ferritin deficiency can reduce RLS symptoms and improve sleep. However, ferritin is an acute-phase reactant; inflammation, infection, or liver disease can falsely elevate levels. A self-test cannot diagnose sleep disorders—it only identifies a potential risk factor. Sleep problems are usually multifactorial (stress, light, genetic","sources":[],"title":"Evidence check: Eisen-Ferritin Selbsttest in the context of Schlaf","url":"https://tikki.wiki/wissen/gesundheit/frage/public-c990ce23198d8b834bd76649/evidence-check-eisen-ferritin-selbsttest-in-the-context-of-schlaf/","verification":{"claim_support_verified":false,"human_reviewed":false,"quote_exact_match":false,"source_identity_verified":false,"tier":"existing_native_answer_privacy_screened_sources_pending"}},{"answer":"Questions about children's sleep are common, but the provided context lacks any specific information on sleep, genetics, or pediatric testing. In general, childhood sleep issues are mostly behavioral (e.g., irregular bedtimes, screen use) or medical (e.g., sleep apnea, iron deficiency). Genetic tests for sleep (e.g., CLOCK, PER genes) have very small effect sizes and are not clinically established for children. Evidence for such tests is weak and often marketing-driven. A more useful approach is a medical evaluation with sleep diary, possibly polysomnography. Checking vitamin D, ferritin, and melatonin levels may also help. Without context data, the answer remains conservative: no recommendation for genetic testing in pediatric sleep problems.","area":"gesundheit","canonical_id":"gesundheit:canonical-3d1d72fb07296121011607fe","id":"public-d88baa7c3029a4cb2a800e3c","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Questions people ask about Schlaf Kinder","score":15.77675495,"snippet":"Questions about children's sleep are common, but the provided context lacks any specific information on sleep, genetics, or pediatric testing. In general, childhood sleep issues are mostly behavioral (e.g., irregular bedtimes, screen use) or medical (e.g., sleep apnea, iron deficiency). Genetic tests for sleep (e.g., CLOCK, PER genes) have very small effect sizes and are not clinically established for children. Evidence for such tests is weak and often marketing-driven. A more useful approach is a medical evaluation with sleep diary, possibly polysomnography. Checking vitamin D, ferritin, and melatonin levels may also help. Without context data, the answer remains conservative: no recommenda","sources":[],"title":"Questions people ask about Schlaf Kinder","url":"https://tikki.wiki/wissen/gesundheit/frage/public-d88baa7c3029a4cb2a800e3c/questions-people-ask-about-schlaf-kinder/","verification":{"claim_support_verified":false,"human_reviewed":false,"quote_exact_match":false,"source_identity_verified":false,"tier":"existing_native_answer_privacy_screened_sources_pending"}}],"schema_version":"tikki.search-response.v1"}