The timing and continuity of sleep in healthy individuals is regulated by the synchronous function of the sleep homeostasis and the endogenous circadian rhythms. Multiple factors affect these two processes and the way they interact. Sleep disorders may manifest differently in men and women and these differences are particularly notable during pregnancy, lactation, and menopause. Insomnia may occur relatively commonly during pregnancy and in the postpartum, and may be the result of either a primary sleep disorder, such as obstructive sleep apnea (OSA), movement disorders such as restless legs syndrome (RLS), or sometimes depression, especially in the postpartum period. Obstructive sleep apnea may contribute to a higher risk of hypertension during pregnancy and doubles the risk for preeclampsia and preterm birth. Snoring, a frequent symptom of OSA, increases in frequency during pregnancy. Restless legs syndrome is more common in pregnant women, is more frequent in the third trimester of pregnancy, and tends to improve dramatically after delivery. Factors associated with increased RLS in pregnancy may be related to iron and folate metabolism. Risk for OSA increases after menopause and presentation with insomnia can delay the diagnosis of OSA. Various treatment options for sleep disorders in women are discussed.
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