How does the menstrual cycle affect sleep?
One of the tell-tale signs for me when I’m due my period is the 2-3 nights of restless sleep beforehand – and it seems I’m not alone. The most common time for women to report issues sleeping are the days leading up to the period (late luteal phase) and the first few days of the period (early follicular). This is believed to be due to low levels of oestrogen and progesterone during this time coupled with other PMS symptoms such as cramps, headaches, anxiety, and low mood all of which can have a detrimental effect on sleep.
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