Elucidating the Neural Mechanisms Underlying Acupuncture-Promoted Attention Recovery in Sleep-Deprived Vulnerable Individuals Based on Heart-Brain Synchronization

INTERVENTION: Acupuncture group:Acupuncture;Sham acupuncture group:sham acupuncture;Sleep Deprivation Tolerance Group:Non‐interference; CONDITION: 7A6Z Sleep Deprivation PRIMARY OUTCOME: Mental Alertness Task Reaction Time; SECONDARY OUTCOME: Brain Function Indicators;EEG metrics;Electrocardiographic indicators;Note the reaction times for top‐down and bottom‐up tasks.;Brain‐derived neurotrophic factor; INCLUSION CRITERIA: (1) Age between 18‐35 years old, right‐handed, with more than 10 years of education; (2) Sleep diary assessment in the week before enrollment shows nightly sleep duration of 6.5‐8 hours, bedtime between 22:00‐00:00, and awakening time between 06:00‐09:00; participants are selected based on the Munich ChronoType Questionnaire (MCTQ) with an intermediate sleep type; (3) Pittsburgh Sleep Quality Inde X(PSQI) score < 5 points; (4) No history of long‐term coffee consumption, smoking, or alcohol use; (5) No history of diseases involving the heart, liver, kidneys, or blood system; no history of chronic pain conditions such as migraines or dysmenorrhea; (6) No history of anxiety, depression, claustrophobia, or other related mental health disorders; (7) No contraindications for MRI scans.