Is there a relationship between the thyroid gland and insomnia?
Aug 24, 2022
Source: Cainiu Health
Dr. Zhao Haiming
Introduction
Sleep is closely related to thyroid function. In hyperthyroidism, the body’s basal metabolic rate increases significantly, leading to heightened nervous system excitability. Patients commonly experience sleep disturbances, accompanied by symptoms such as irritability, mood lability, and anxiety, as well as gastrointestinal manifestations including abdominal distension, increased appetite, and constipation. Additional clinical features of hyperthyroidism affecting sleep may include exophthalmos (protruding eyes), tremors of the hands and feet, and neck thickening.
Conditions such as goiter, thyroid nodules, hyperthyroidism, and hypothyroidism are all caused by thyroid dysfunction and pose significant health risks to patients. Once diagnosed, timely treatment is essential. However, some individuals—upon suspecting a thyroid disorder—wonder whether it can cause insomnia. So, is there a link between the thyroid and insomnia?
Is There a Link Between the Thyroid and Insomnia?
Sleep is indeed influenced by thyroid function. In hyperthyroidism, the body’s basal metabolic rate increases markedly, leading to heightened nervous system excitability. Patients commonly experience sleep disturbances, along with symptoms such as irritability, anxiety, abdominal distension, increased appetite, and constipation. Sleep-related manifestations of hyperthyroidism may also include exophthalmos (protruding eyes), hand tremors, and neck enlargement. Diagnosis typically relies on thyroid function tests, thyroid ultrasound, and thyroid radionuclide scanning.
When insomnia results from thyroid dysfunction, the primary goal is to normalize thyroid hormone levels—this addresses the root cause of the sleep disturbance. Since insomnia in hyperthyroidism stems directly from excessive thyroid hormone secretion, restoring hormonal balance is essential for alleviating or resolving the insomnia. However, this process often takes considerable time—especially when antithyroid medications are used. If the medication proves effective, it typically takes about three weeks to one month before noticeable improvement occurs. Meanwhile, adjunctive measures that promote better sleep may be employed.
In daily life, cultivating healthy lifestyle and dietary habits is crucial. We hope this information proves helpful to you.
