Survey study, 2026
Does PMS affect how well young women sleep?
This study set out to check whether premenstrual syndrome is linked to poorer sleep in women aged 18 to 25, but the text available here only describes the background and methods, not the actual results, so no clear answer can be given from what is provided.
What they did
A cross-sectional study in women aged 18 to 25. Researchers planned to measure how common premenstrual syndrome (PMS) is using the Premenstrual Syndrome Scale (PMSS), and to check sleep quality using the Pittsburgh Sleep Quality Index (PSQI), a questionnaire rather than an overnight sleep lab test.
What they found
The text provided covers only the introduction: it explains that PMS is a cyclical set of physical, emotional and behavioural symptoms before a period, that PMS affects about 25% of women generally (usually moderate symptoms), and that hormone shifts (rising progesterone, falling allopregnanolone) in the second half of the cycle are linked to anxiety, more night awakenings, longer time to fall asleep, lower sleep efficiency, and daytime tiredness in women with PMS. No specific results or numbers from this particular study's women are included in the text given.
What it means for you
This looks like it will tell us whether PMS is linked to worse sleep in young women, but we cannot say what it actually found because the results section was not included in the text supplied. It is also a cross-sectional study (a snapshot, no before/after or control group), so even its full results could only show a link, not prove PMS causes poor sleep.
25%
General PMS prevalence (background figure)
About the study
- Original title
- Impact of Premenstrual Syndrome on Sleep Quality Among Women Aged 18–25 Years: A Cross-sectional Analysis
- Authors
- V Santhosini, Anbarasi M, Sanjay Andrew
- Journal
- National Journal of Physiology
- Year
- 2026
- Study design
- Survey study
- What was tested
- None (observational survey using PMSS and PSQI questionnaires)
- Open access
- Yes
- Read the paper
- doi.org/10.5005/njp-11056-0010
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