The Effects of Transcranial Current Stimulation on Insomnia

Exclusion Criteria10

• Presence of mental disorders
• Current use of central nervous system stimulants
• Use of analgesics,sedatives or hypnotic medications, theophylline preparations, steroid medications
• Alcohol abuse or regular alcohol consumption
• Diagnosis of other sleep disorders, including obstructive sleep apnea, rapid eye movement sleep behavior disorder, or restless legs syndrome
• Sleep disorders secondary to organic diseases, such as epilepsy, diabetes, or renal failure
• Shift work or irregular work schedules that disrupt normal circadian rhythms
• Use of medications affecting central nervous system function within the past one month
• Recent sleep-related confounding behaviors within the past two weeks, including staying up late, alcohol consumption, or smoking
• Presence of organic brain lesions on head MRI and contraindications to MRI examination