Fig. 3: Sleep disorder visual analogue scale (SD-VAS) and treatment protocol.

a.The Sleep Disorder-Visual Analog Scale (SD-VAS) was used to assess the severity of sleep disorders mainly characterized by insomnia symptoms in influenza patients, with a quantitative range of 0 to 10 points. A lower score indicates milder insomnia symptoms, while a higher score indicates more severe insomnia symptoms;b.Examination and treatment procedures for patients in the rTMS group, PC group, and NC group. Day 0: The day when the subjects began to undergo a series of examinations. Day 1: The subjects received the appropriate treatment measures. Day 4: The subjects underwent a series of follow-up examinations.