The thyroid gland and thyroid-stimulating hormone (TSH) play a key role in metabolism and can indirectly affect sleep. Hypothyroidism often causes fatigue and increased sleep need, while hyperthyroidism is linked to insomnia and restlessness. A MyBody-X test measuring TSH levels or thyroid-related genetic variants may provide clues about underlying sleep issues. However, TSH itself is not a sleep aid and should not be used as such. Taking thyroid hormones without medical indication is dangerous and can cause serious side effects. The evidence for a direct benefit of TSH on sleep is weak; rather, the focus should be on diagnosing and treating an underlying thyroid disorder. Always consult a doctor for sleep problems before acting on home test results.
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