Self-Acupressure and Social Jet Lag in Female Health Sciences Students

Inclusion Criteria: * Female undergraduate students enrolled in midwifery or medical programs * Age 18 to 25 years * Regular academic schedule (work/school days and free days identifiable) * Willingness to participate and provide written informed consent * Ability to comply with daily self-acupressure practice for 12 weeks * Ability to complete sleep questionnaires and sleep diary Exclusion Criteria: * Current diagnosis of a sleep disorder requiring medical treatment (e.g., obstructive sleep apnea, narcolepsy) * Use of medications known to significantly affect sleep or circadian rhythms (e.g., hypnotics, stimulants) * Shift work or night work during the study period * Transmeridian travel (≥2 time zones) within the past 4 weeks or planned during the study period * Chronic medical or psychiatric condition that may significantly affect sleep * Current pregnancy