
Pregnant women need more sleep than usual, but many factors can make it difficult to get a good night's rest. Sleep disturbances during pregnancy have been associated with a multitude of negative maternal and fetal outcomes, including longer labour, elevated perception of pain and discomfort during labour, higher caesarean rates, preterm labour, and higher levels of pro-inflammatory serum cytokines. In this article, we will explore the reasons why pregnant women need more sleep and offer some tips for getting a good night's rest.
| Characteristics | Values |
|---|---|
| Pregnancy-related symptoms | Nausea, heartburn, nocturia, back pain, leg cramps |
| Sleep disorders | Insomnia, restless legs syndrome, obstructive sleep apnea (OSA), snoring |
| Sleep deprivation consequences | Longer labour, elevated perception of pain and discomfort during labour, higher caesarean rates, preterm labour, higher levels of pro-inflammatory serum cytokines, preterm births, postpartum depressive mood, increased serum levels of inflammatory biomarkers |
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What You'll Learn
- Sleep deprivation during pregnancy has been associated with longer labour, elevated perception of pain and discomfort during labour, and higher caesarean rates
- Sleep disorders may develop or worsen during pregnancy, including insomnia, restless legs syndrome, and obstructive sleep apnea (OSA)
- Progesterone causes nocturnal sleep fragmentation
- Pregnancy-related symptoms can affect sleep, especially during the first and third trimesters
- Sleep disturbances during pregnancy have been associated with a multitude of negative maternal and fetal outcomes

Sleep deprivation during pregnancy has been associated with longer labour, elevated perception of pain and discomfort during labour, and higher caesarean rates
Sleep is incredibly important for pregnant women, as it helps to nourish the development of their infants and gives them the energy they need for the labour and delivery process.
Pregnant women often experience sleep disturbances due to pregnancy-related symptoms, such as nausea, heartburn, nocturia, back pain, leg cramps, and insomnia. Progesterone, which promotes daytime sleepiness, also causes nocturnal sleep fragmentation. Oxytocin, the hormone responsible for uterine contractions, peaks at night and may cause sleep fragmentation in late pregnancy.
Pregnancy also increases the risk of developing sleep disorders, such as restless leg syndrome, snoring, and obstructive sleep apnea (OSA). OSA, in particular, can increase the risk of preeclampsia and hypertension.
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Sleep disorders may develop or worsen during pregnancy, including insomnia, restless legs syndrome, and obstructive sleep apnea (OSA)
Sleep is especially important for pregnant women, who need sufficient rest to nourish the development of their infants and to have the energy they need for labour and delivery. However, sleep disorders may develop or worsen during pregnancy, including insomnia, restless legs syndrome, and obstructive sleep apnea (OSA).
OSA is the most serious of these sleep disorders, and it can increase the risk of preeclampsia, hypertension, and low birth weight. Pregnant women are also more likely to snore, which can also increase the risk of preeclampsia, gestational diabetes, and unplanned Caesarean deliveries.
Pregnancy-related symptoms can also affect sleep quality. For example, it is common for pregnant women to experience nausea, heartburn, nocturia, and back pain, all of which may interfere with sleep. Progesterone can cause nocturnal sleep fragmentation, and oxytocin, which is responsible for uterine contractions, peaks at night and may cause sleep fragmentation in late pregnancy.
Finding a comfortable sleeping position can be difficult during the second and third trimesters, and heartburn, back pain, and leg cramps can all disrupt sleep.
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Progesterone causes nocturnal sleep fragmentation
Progesterone, a hormone that promotes daytime sleepiness, also causes nocturnal sleep fragmentation. This means that pregnant women may experience interrupted sleep at night, which can lead to feeling less rested and more tired during the day.
Nocturnal sleep fragmentation can be caused by various factors, including frequent urination (nocturia), heartburn, and back pain. These issues are common during pregnancy and can disrupt sleep patterns.
Additionally, oxytocin, the hormone responsible for uterine contractions, peaks at night during late pregnancy and may further contribute to sleep fragmentation. This can result in shorter and less refreshing sleep, leaving pregnant women feeling more exhausted.
Pregnancy also increases the risk for sleep disorders such as restless leg syndrome, snoring, and obstructive sleep apnea (OSA). OSA, in particular, can have serious implications for both mother and child, including an increased risk of preeclampsia, hypertension, and low birth weight.
Overall, the combination of hormonal changes, physical discomforts, and sleep disorders can make it challenging for pregnant women to obtain the restful sleep they need. This highlights the importance of prioritising sleep and creating a supportive environment to ensure pregnant women can get the rest they require.
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Pregnancy-related symptoms can affect sleep, especially during the first and third trimesters
During the third trimester, a growing belly can make it difficult to find a comfortable sleeping position. Heartburn, back pain, and leg cramps can all disrupt sleep. Additionally, oxytocin, the hormone responsible for uterine contractions, peaks at night and may cause sleep fragmentation.
Pregnancy can also increase the risk for sleep disorders such as restless leg syndrome, snoring, and obstructive sleep apnea (OSA). OSA, in particular, has been linked to an increased risk of preeclampsia, hypertension, and low birth weight.
Overall, it is important for pregnant women to get sufficient sleep to nourish the development of their infants and provide the energy needed for labour and delivery. Sleep deprivation during pregnancy has been associated with longer labour, elevated pain perception during labour, and higher caesarean rates.
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Sleep disturbances during pregnancy have been associated with a multitude of negative maternal and fetal outcomes
Pregnant women are likely to experience nausea, heartburn, nocturia, and back pain, all of which may interfere with sleep. Progesterone, while promoting daytime sleepiness, also causes nocturnal sleep fragmentation. Oxytocin, the hormone responsible for uterine contractions, peaks at night and may cause sleep fragmentation in late pregnancy. Pregnancy increases the risk for sleep disorders such as restless leg syndrome, snoring and obstructive sleep apnea (OSA).
OSA, the most serious of these sleep disorders, can increase the risk of preeclampsia and hypertension. Snoring is associated with greater than a two-fold increase in adjusted odds for preeclampsia, gestational diabetes, and unplanned Caesarean deliveries. Research has also indicated a possible relationship between sleep deprivation and preterm births and postpartum depressive mood.
Pregnant women often experience overwhelming daytime and evening fatigue and an increased need for nighttime sleep. During the second and third trimesters, a growing belly can make it hard to find a comfortable sleeping position.
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Frequently asked questions
Pregnant women need more sleep to nourish the development of their infants and the energy they need for the labour and delivery process.
Sleep deprivation during pregnancy has been associated with longer labour, elevated perception of pain and discomfort during labour, higher caesarean rates, preterm labour, and higher levels of pro-inflammatory serum cytokines.
Pregnancy-related symptoms such as nausea, heartburn, nocturia, back pain, leg cramps, and insomnia can all interfere with sleep.
Pregnant women can try to get more sleep by finding a comfortable sleeping position, and managing any symptoms that might be disrupting their sleep, such as heartburn or back pain.










































