Of the 30 symptoms linked to perimenopause, changes in sleep are widely recognised as being one of the most significant features of menopause.
A team of researchers probing perimenopausal stages through changes in nighttime insomnia determined that sleeplessness was more prevalent during the later stages of menopause.
Sleeplessness during menopause is often tied in with hot flushes, which can cause considerable discomfort throughout the night.
Colleen Ciano, of the University of Pennsylvania, said: “The data suggests that early peri-menopause is protective against the development of nighttime insomnia symptoms and therefore can protect against the development of incoming disorders.
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