Women's pre-menopause sleep patterns may indicate future menopause sleep quality 14 May 2026 A major new study has found that women's sleep quality pre-menopause strongly predicts how their sleep will change as they move through menopause. pre-menopause sleep patterns In the largest study of its kind, research led by Nottingham Trent University with the University of Reading analysed the sleep quality and duration of more than 200,000 women aged 40 to 70, using data from the UK Biobank.