{"count":10,"index":{"built_at":"2026-07-28T06:01:45.413905+00:00","public_records":55311,"revision":"bda2189ed965b7bae9093199"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Evidence check: CLOCK in the context of Schlaf"},"results":[{"answer":"The CLOCK gene is a core component of the circadian clock, regulating sleep-wake cycles. Certain variants (e.g., rs1801260) have been linked to chronotype and sleep duration in candidate gene studies, but effect sizes are small and findings are inconsistent. Evidence is moderate: some GWAS and meta-analyses show associations, but replication is limited. Environmental factors, light exposure, and lifestyle habits have a much stronger impact on sleep than single CLOCK variants. Therefore, a DNA test for CLOCK cannot reliably predict sleep quality or disorders. MyBody-X results can be a conversation starter but should not drive clinical decisions. Prioritizing sleep hygiene (consistent schedule, reduced evening blue light) is more evidence-based. For persistent sleep issues, consult a healthcare provider. No specific CLOCK studies were present in the provided context; this answer reflects general scientific consensus.","area":"gesundheit","canonical_id":"gesundheit:canonical-43fa138b0e833af725c7fff7","id":"public-81ad816cb65d3872de6c483f","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: CLOCK in the context of Schlaf","score":20.5389249,"snippet":"The CLOCK gene is a core component of the circadian clock, regulating sleep-wake cycles. Certain variants (e.g., rs1801260) have been linked to chronotype and sleep duration in candidate gene studies, but effect sizes are small and findings are inconsistent. Evidence is moderate: some GWAS and meta-analyses show associations, but replication is limited. Environmental factors, light exposure, and lifestyle habits have a much stronger impact on sleep than single CLOCK variants. Therefore, a DNA test for CLOCK cannot reliably predict sleep quality or disorders. MyBody-X results can be a conversation starter but should not drive clinical decisions. Prioritizing sleep hygiene (consistent schedule","sources":[],"title":"Evidence check: CLOCK in the context of Schlaf","url":"https://tikki.wiki/wissen/gesundheit/frage/public-81ad816cb65d3872de6c483f/evidence-check-clock-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":"VKORC1 encodes vitamin K epoxide reductase and is well-established in pharmacogenetics for warfarin sensitivity. However, there is no robust scientific evidence linking VKORC1 variants to sleep quality, insomnia, or circadian regulation. Any claims connecting VKORC1 to sleep are speculative and based on weak mechanistic hypotheses (e.g., vitamin K's role in brain sphingolipids). No human observational or interventional studies support a direct effect. Consumer DNA reports that include VKORC1 in a sleep context are likely overextending the evidence. For sleep genetics, better-supported markers include PER3, CLOCK, and ADRB1. Do not change sleep habits or supplement based on VKORC1 results.","area":"gesundheit","canonical_id":"gesundheit:canonical-045d2482aad51ba4c250215a","id":"public-c42af505662419a60561a1d3","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: VKORC1 in the context of Schlaf","score":18.97241468,"snippet":"VKORC1 encodes vitamin K epoxide reductase and is well-established in pharmacogenetics for warfarin sensitivity. However, there is no robust scientific evidence linking VKORC1 variants to sleep quality, insomnia, or circadian regulation. Any claims connecting VKORC1 to sleep are speculative and based on weak mechanistic hypotheses (e.g., vitamin K's role in brain sphingolipids). No human observational or interventional studies support a direct effect. Consumer DNA reports that include VKORC1 in a sleep context are likely overextending the evidence. For sleep genetics, better-supported markers include PER3, CLOCK, and ADRB1. Do not change sleep habits or supplement based on VKORC1 results.","sources":[],"title":"Evidence check: VKORC1 in the context of Schlaf","url":"https://tikki.wiki/wissen/gesundheit/frage/public-c42af505662419a60561a1d3/evidence-check-vkorc1-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 CLOCK gene variant rs1801260 is linked to circadian rhythm, but evidence for personalized carb timing is weak. Some studies suggest carriers of the risk allele may be more sensitive to late meals, but effect sizes are small and not actionable. A general recommendation: eat more carbs earlier in the day and reduce them in the evening – this benefits most people regardless of genotype. Using a CGM to track your own glucose response can provide practical insights. MyBody-X DNA tests indicate a predisposition, not a certainty. Evidence level: mixed/unclear. Caveat: Do not change diet drastically without professional advice.","area":"gesundheit","canonical_id":"gesundheit:canonical-c0b642c746bd0aad9115a081","id":"public-0e217d233d09af5fced443d5","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Transferrin in the context of Schlaf","score":18.97139742,"snippet":"The CLOCK gene variant rs1801260 is linked to circadian rhythm, but evidence for personalized carb timing is weak. Some studies suggest carriers of the risk allele may be more sensitive to late meals, but effect sizes are small and not actionable. A general recommendation: eat more carbs earlier in the day and reduce them in the evening – this benefits most people regardless of genotype. Using a CGM to track your own glucose response can provide practical insights. MyBody-X DNA tests indicate a predisposition, not a certainty. Evidence level: mixed/unclear. Caveat: Do not change diet drastically without professional advice.","sources":[],"title":"Evidence check: Transferrin in the context of Schlaf","url":"https://tikki.wiki/wissen/gesundheit/frage/public-0e217d233d09af5fced443d5/evidence-check-transferrin-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 claim that a longevity DNA test can provide meaningful sleep recommendations is poorly supported by evidence. While certain genes (e.g., CLOCK, PER3) influence circadian rhythms, most consumer tests do not include them or only superficially. The provided context shows that even well-studied SNPs like CYP1A2 (caffeine) explain only part of metabolism, with lifestyle factors overriding. For sleep quality, duration, and disorders, environmental factors, stress, diet, and sleep hygiene are far more important than single DNA variants. Longevity DNA tests are often marketing, not diagnostics. Caveat: No randomized trial shows such a test improves sleep health. Evidence grade: marketing/weak.","area":"gesundheit","canonical_id":"gesundheit:canonical-dae547d5d2b0436a623d8653","id":"public-0bea59c9ab9ead58450b0f13","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Longevity DNA Test in the context of Schlaf","score":18.94453539,"snippet":"The claim that a longevity DNA test can provide meaningful sleep recommendations is poorly supported by evidence. While certain genes (e.g., CLOCK, PER3) influence circadian rhythms, most consumer tests do not include them or only superficially. The provided context shows that even well-studied SNPs like CYP1A2 (caffeine) explain only part of metabolism, with lifestyle factors overriding. For sleep quality, duration, and disorders, environmental factors, stress, diet, and sleep hygiene are far more important than single DNA variants. Longevity DNA tests are often marketing, not diagnostics. Caveat: No randomized trial shows such a test improves sleep health. Evidence grade: marketing/weak.","sources":[],"title":"Evidence check: Longevity DNA Test in the context of Schlaf","url":"https://tikki.wiki/wissen/gesundheit/frage/public-0bea59c9ab9ead58450b0f13/evidence-check-longevity-dna-test-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 relationship between triglycerides and sleep is complex and multifactorial. Observational studies consistently link short sleep duration (<6 hours) and poor sleep quality with elevated triglyceride levels. Proposed mechanisms include hormonal dysregulation (increased cortisol, decreased leptin), impaired insulin sensitivity, and altered dietary patterns. Acute sleep deprivation in controlled trials raises triglycerides modestly. However, effect sizes are small and highly individual. Genetic variants in circadian genes (e.g., CLOCK) may influence susceptibility, but evidence is primarily from population studies. A single biomarker test cannot diagnose sleep-related metabolic issues; lifestyle and sleep hygiene are dominant. Caveat: Most evidence is correlational; causal inference is limited. For personalized advice, consider comprehensive assessment including sleep logs, diet, and multiple lipid measurements.","area":"gesundheit","canonical_id":"gesundheit:canonical-465f8f25a6de0ed4b6ba6799","id":"public-6cf70ba5ad047a7ed4078092","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Triglyceride in the context of Schlaf","score":18.92723967,"snippet":"The relationship between triglycerides and sleep is complex and multifactorial. Observational studies consistently link short sleep duration (<6 hours) and poor sleep quality with elevated triglyceride levels. Proposed mechanisms include hormonal dysregulation (increased cortisol, decreased leptin), impaired insulin sensitivity, and altered dietary patterns. Acute sleep deprivation in controlled trials raises triglycerides modestly. However, effect sizes are small and highly individual. Genetic variants in circadian genes (e.g., CLOCK) may influence susceptibility, but evidence is primarily from population studies. A single biomarker test cannot diagnose sleep-related metabolic issues; lifes","sources":[],"title":"Evidence check: Triglyceride in the context of Schlaf","url":"https://tikki.wiki/wissen/gesundheit/frage/public-6cf70ba5ad047a7ed4078092/evidence-check-triglyceride-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 NutriCare DNA metabolism test and the INFINITY DNA test from MyBody-X are marketed in the context of sleep, but the scientific basis is weak. Sleep is influenced by numerous factors; genetics contribute only a small part. Some genes like CLOCK, PER3, or ADRB1 have been associated with chronotype or sleep duration, but effect sizes are small and insufficient for personalized recommendations. These tests often analyze variants with unclear clinical relevance. There are no randomized controlled trials showing that test results lead to improved sleep. The evidence is therefore marketing: the tests may satisfy curiosity but cannot replace medical sleep advice. For sleep issues, established methods like sleep hygiene, cognitive behavioral therapy, or medical evaluation (e.g., polysomnography) are far better supported. Consumers should not rely on DNA results to treat sleep disorders.","area":"gesundheit","canonical_id":"gesundheit:canonical-991bc027aabd6141c0484775","id":"public-20811dfbe2e8895587dd4a28","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: NutriCare | INFINITY DNA-Test in the context of Schlaf","score":18.67077963,"snippet":"The NutriCare DNA metabolism test and the INFINITY DNA test from MyBody-X are marketed in the context of sleep, but the scientific basis is weak. Sleep is influenced by numerous factors; genetics contribute only a small part. Some genes like CLOCK, PER3, or ADRB1 have been associated with chronotype or sleep duration, but effect sizes are small and insufficient for personalized recommendations. These tests often analyze variants with unclear clinical relevance. There are no randomized controlled trials showing that test results lead to improved sleep. The evidence is therefore marketing: the tests may satisfy curiosity but cannot replace medical sleep advice. For sleep issues, established me","sources":[],"title":"Evidence check: NutriCare | INFINITY DNA-Test in the context of Schlaf","url":"https://tikki.wiki/wissen/gesundheit/frage/public-20811dfbe2e8895587dd4a28/evidence-check-nutricare-infinity-dna-test-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":"A nutrient check in the context of sleep is often marketed with the promise that specific vitamins or minerals (e.g., magnesium, vitamin D, B vitamins) can improve sleep quality. The scientific evidence is mixed: while magnesium and tryptophan (melatonin precursor) show some association with sleep parameters in observational and small intervention studies, effect sizes are modest and highly individual. Consumer DNA tests that claim to provide personalized nutrient recommendations for better sleep typically rely on single SNPs (e.g., MTNR1B, CLOCK) whose actual impact on nutrient requirements is unproven. The evidence for such combined checks is weak to moderate – many claims are based on mechanistic or GWAS data without clinical validation for dietary advice. Moreover, sleep disorders are multifactorial (stress, behavior, light exposure). A nutrient check may offer general orientation but should not be the sole basis for therapeutic decisions. Safety note: High doses of supplements (e.g., melatonin) can cause side effects; persistent sleep issues warrant medical evaluation.","area":"gesundheit","canonical_id":"gesundheit:canonical-732d6daf58f505394aa4dcf3","id":"public-b03c9049599968c4d6386915","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Nährstoffcheck in the context of Schlaf","score":18.63618875,"snippet":"A nutrient check in the context of sleep is often marketed with the promise that specific vitamins or minerals (e.g., magnesium, vitamin D, B vitamins) can improve sleep quality. The scientific evidence is mixed: while magnesium and tryptophan (melatonin precursor) show some association with sleep parameters in observational and small intervention studies, effect sizes are modest and highly individual. Consumer DNA tests that claim to provide personalized nutrient recommendations for better sleep typically rely on single SNPs (e.g., MTNR1B, CLOCK) whose actual impact on nutrient requirements is unproven. The evidence for such combined checks is weak to moderate – many claims are based on mec","sources":[],"title":"Evidence check: Nährstoffcheck in the context of Schlaf","url":"https://tikki.wiki/wissen/gesundheit/frage/public-b03c9049599968c4d6386915/evidence-check-naehrstoffcheck-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 INFINITY DNA-Test, including a 28-day plan and recipe book, is marketed for sleep improvement. However, the scientific evidence for such consumer DNA tests is weak. While certain genetic variants (e.g., in CLOCK, PER, CRY) are associated with chronotype or sleep duration, their effect sizes are small and often not reproducible. The accompanying plan and recipes likely rely on general sleep hygiene and nutrition advice (e.g., melatonin-rich foods), not on truly personalized genomic data. Important caveat: A DNA test cannot replace medical evaluation for sleep disorders. The evidence for clinically actionable, personalized recommendations from such tests is best categorized as 'marketing' or 'unclear'. Safety note: If you have chronic sleep issues, consult a physician rather than relying solely on a direct-to-consumer genetic test.","area":"gesundheit","canonical_id":"gesundheit:canonical-acfc17b900dd0cc91557b23f","id":"public-f174fab7ae0d952c400c00af","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: INFINITY DNA-Test | inkl. 28-Tage-Plan & Rezeptbuch in the context of Schlaf","score":18.6258421,"snippet":"The INFINITY DNA-Test, including a 28-day plan and recipe book, is marketed for sleep improvement. However, the scientific evidence for such consumer DNA tests is weak. While certain genetic variants (e.g., in CLOCK, PER, CRY) are associated with chronotype or sleep duration, their effect sizes are small and often not reproducible. The accompanying plan and recipes likely rely on general sleep hygiene and nutrition advice (e.g., melatonin-rich foods), not on truly personalized genomic data. Important caveat: A DNA test cannot replace medical evaluation for sleep disorders. The evidence for clinically actionable, personalized recommendations from such tests is best categorized as 'marketing' ","sources":[],"title":"Evidence check: INFINITY DNA-Test | inkl. 28-Tage-Plan & Rezeptbuch in the context of Schlaf","url":"https://tikki.wiki/wissen/gesundheit/frage/public-f174fab7ae0d952c400c00af/evidence-check-infinity-dna-test-inkl-28-tage-plan-rezeptbuch-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 query about 'Schlaf Check' does not correspond to any test described in the provided context. However, based on general knowledge about consumer DNA tests for sleep, the risks and limits are similar to those of other polygenic tests: genetic variants linked to sleep traits (e.g., CLOCK, PER3) have small effect sizes and are heavily influenced by lifestyle, environment, and behavior. Evidence is mostly from GWAS or mechanistic studies, not from validated clinical trials for personalized recommendations. Such tests cannot diagnose sleep disorders or replace medical advice. They may offer general insights but risk overinterpretation. The provided context lacks specific data on sleep DNA tests, so the evidence grade is 'unclear'. Users should be cautious and not make health decisions based solely on these results.","area":"gesundheit","canonical_id":"gesundheit:canonical-cd080e08b0598e79df286809","id":"public-b87aacf4eda8386af3b0f144","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Risks and limits of Schlaf Check","score":18.46114932,"snippet":"The query about 'Schlaf Check' does not correspond to any test described in the provided context. However, based on general knowledge about consumer DNA tests for sleep, the risks and limits are similar to those of other polygenic tests: genetic variants linked to sleep traits (e.g., CLOCK, PER3) have small effect sizes and are heavily influenced by lifestyle, environment, and behavior. Evidence is mostly from GWAS or mechanistic studies, not from validated clinical trials for personalized recommendations. Such tests cannot diagnose sleep disorders or replace medical advice. They may offer general insights but risk overinterpretation. The provided context lacks specific data on sleep DNA tes","sources":[],"title":"Risks and limits of Schlaf Check","url":"https://tikki.wiki/wissen/gesundheit/frage/public-b87aacf4eda8386af3b0f144/risks-and-limits-of-schlaf-check/","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 interaction between insulin and sleep is a well-studied but complex topic. The provided context contains no direct information on insulin or sleep, so this answer is based on general scientific evidence. Sleep deprivation and circadian disruption are known to reduce insulin sensitivity and increase the risk of type 2 diabetes. Studies show that even partial sleep restriction impairs glucose tolerance and alters morning insulin secretion. Conversely, insulin resistance or hyperinsulinemia can negatively affect sleep, for example through nocturnal hypoglycemia or increased sympathetic nervous system activity. The evidence comes from human observational and interventional studies, but is not derived from the given context. Consumer tests like those from MyBody-X typically do not measure direct insulin-sleep parameters; they may analyze genetic variants (e.g., in CLOCK, TCF7L2) associated with risk, but the clinical relevance of single variants is limited. For sleep issues or metabolic concerns, a physician should be consulted. Safety note: insulin is a potent hormone; self-medication or interpretation without expertise can be dangerous.","area":"gesundheit","canonical_id":"gesundheit:canonical-6ca4df524ebe7088971e778b","id":"public-d57b60c33fade7afa0c7009a","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Insulin in the context of Schlaf","score":18.0553064,"snippet":"The interaction between insulin and sleep is a well-studied but complex topic. The provided context contains no direct information on insulin or sleep, so this answer is based on general scientific evidence. Sleep deprivation and circadian disruption are known to reduce insulin sensitivity and increase the risk of type 2 diabetes. Studies show that even partial sleep restriction impairs glucose tolerance and alters morning insulin secretion. Conversely, insulin resistance or hyperinsulinemia can negatively affect sleep, for example through nocturnal hypoglycemia or increased sympathetic nervous system activity. The evidence comes from human observational and interventional studies, but is no","sources":[],"title":"Evidence check: Insulin in the context of Schlaf","url":"https://tikki.wiki/wissen/gesundheit/frage/public-d57b60c33fade7afa0c7009a/evidence-check-insulin-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"}}],"schema_version":"tikki.search-response.v1"}