What causes muscle twitching during sleep?

Apr 20, 2023 Source: Cainiu Health

Dr. Yang Jun

Introduction

Twitching during sleep may be caused by physiological factors, or it could be a symptom of conditions such as calcium deficiency or hyperthyroidism. When the body lacks calcium ions, the neurotransmitters responsible for nerve signaling decrease, leading to abnormal overexcitation of muscles and nerves, which can result in twitching of the limbs. This condition commonly occurs in adolescents and elderly individuals who are deficient in calcium.

Twitching during sleep may be caused by physiological factors, or it could result from conditions such as calcium deficiency or hyperthyroidism. The specific analysis is as follows:

I. Physiological Factors

If an individual experiences excessive mental stress or extreme fatigue in daily life, it may lead to sudden discharges of brain neurons, causing temporary dysfunction of the brain and resulting in twitching or convulsions in the limbs.

II. Pathological Causes

1. Calcium Deficiency

A lack of calcium ions in the body can reduce neurotransmitter levels involved in nerve signaling, leading to abnormal overexcitation of muscles and nerves, which may cause limb twitching. This condition commonly occurs in adolescents and elderly individuals with calcium deficiency. Symptoms usually subside after adequate calcium supplementation.

2. Hyperthyroidism

Patients with hyperthyroidism may experience abnormal excitation of the sympathetic nervous system, leading to muscle twitching. In such cases, medications like methimazole tablets or metronidazole tablets may be prescribed under a doctor's guidance.

Additionally, if twitching persists for prolonged periods, it might be due to hypoglycemia or epilepsy. For accurate diagnosis, individuals should seek systematic evaluation at a local hospital to identify the underlying cause.

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