Night shift-related fatigue with subjective-objective dissociation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Registered medical staff (including nurses, resident physicians, and other clinical personnel participating in night shifts) engaged in clinical work at the study hospital. 2. Aged 18 to 55 years. 3. At least 6 months of work experience, with a documented history of regular night shift scheduling within the past 3 months (average of =4 night shifts per month). 4. Completed a standard night shift (=8 hours) prior to the study day, and in a post-night shift state on the day of enrollment. 5. Normal hearing ability (able to perceive speech and music normally without the need for a hearing aid). 6. Willing to participate and provide written informed consent.
Exclusion criteria
Exclusion criteria: 1. Diagnosed with arrhythmia, atrial fibrillation, or have a pacemaker implanted (may affect HRV validity). 2. Currently taking medications that affect heart rate (e.g., beta-blockers, antiarrhythmic drugs, atropine, etc.). 3. Diagnosed with moderate or severe sleep apnea syndrome. 4. Consumption of alcohol or use of sedative/hypnotic medications within 24 hours prior to the study. 5. Diagnosed with depression, anxiety disorder (currently undergoing active treatment), or other psychiatric conditions. 6. Experienced major life stress events (e.g., death of a relative, divorce, etc.) within the past 3 months. 7. Pregnant or breastfeeding women. 8. Currently participating in another interventional clinical study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Fatigue Severity Scale (FSS);Objective Autonomic State (PPG-RMSSD); Fatigue Phenotype Quadrants (FSS × RMSSD Two dimensional Quadrant Classification Model: Quadrant A/B/C/D); | — |
Secondary
| Measure | Time frame |
|---|---|
| State?Trait Anxiety Inventory (STAI-State, 20 items);Pittsburgh Sleep Quality Index (PSQI, 19 items);Stress related hormone indicators;Cumulative night shift exposure; | — |
Countries
China
Contacts
Department of Anesthesia, Affiliated Chenggong Hospital of Xiamen University