Self‐reported sleep quality and exercise in polycystic ovary syndrome: A secondary analysis of a pilot randomized controlled trial
Authors' conclusion
Most participants had poor sleep quality which was associated with poorer anthropometric and cardiometabolic health markers. There were no statistically significant changes in PSQI score with exercise training. With HIIT training, decreases in the sleep efficiency score were associated with reductions in body weight and waist circumference. Further studies are needed to determine the effect of exercise training on sleep quality.
Study context
- Population
- Women with polycystic ovary syndrome (PCOS) aged 18–40 years29 completed postintervention
- Participants
- 34 women
- Comparison
- High intensity interval training (HIIT) vs continuous aerobic exercise training (CAET) vs no-exercise control
- HIITn = 12
- CAETn = 8
- Controln = 9reference
- Primary endpoint
- Sleep quality (PSQI score; >5 indicates poor sleep)
- Follow-up
- Baseline and 6-month exercise intervention
Primary result
As reported in the abstract
Poor sleep quality (PSQI >5) · baseline
Proportion with poor sleep quality
79%
Further findings
Mean
| Outcome | HIIT | CAET | Control |
|---|---|---|---|
| Mean PSQI score change · 6 months | −0.7 (SD 0.6) | −0.5 (SD 0.9) | −0.4 (SD 1.1) |
HIIT: association of Pittsburgh Sleep Quality Index (PSQI) change with anthropometric changes
- Body weight change, B (95% CI 0.10-0.45)
- .27
- Waist circumference change, B (95% CI 0.02-0.17)
- .09
Original publication
Self‐reported sleep quality and exercise in polycystic ovary syndrome: A secondary analysis of a pilot randomized controlled trial. Clin Endocrinol (Oxf). Published 6 March 2023. doi:10.
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