# Pregnancy Insomnia at 33 Weeks Pregnant

Source: https://www.pregnancypowerhour.com/pregnancy/symptoms/sleep-issues-week-33
Last updated: 2026-07-01

> At 33 weeks, navigating sleep can become more complex due to physical discomfort, frequent nighttime awakenings, and a busy mind, affecting up to 80% of pregnancies.

As you approach 33 weeks pregnant, finding a comfortable and restful night's sleep can feel increasingly challenging, often compounded by the unique physical and emotional shifts of late pregnancy. Many parents-to-be experience what's commonly called pregnancy insomnia, and research indicates that sleep disturbance affects a significant majority — between 75% and 80% — of pregnancies by the third trimester. This isn't just about general discomfort; at 33 weeks, specific factors tend to converge, making restorative sleep elusive.

One of the primary considerations at this stage is physical comfort. Your body is undergoing substantial changes, and finding a position that feels supportive can be difficult. Beyond general aches, you might be experiencing more frequent urges to use the restroom throughout the night, known as nocturia. This natural increase in nighttime awakenings can fragment sleep, making it harder to fall back into a deep rest. Additionally, some individuals find that restless legs syndrome becomes more pronounced in late pregnancy, creating an uncomfortable, irresistible urge to move their legs just as they're trying to settle down for the night. These physical sensations, combined with the natural anxieties and anticipation that can arise as you near your estimated due date, can create a cycle that disrupts sleep patterns.

From my perspective as a trained full spectrum doula and maternal health consultant, I often discuss with clients how these compounding factors can impact their overall well-being. It's not uncommon for underlying anxiety or even mild depression to be a significant driver of sleep difficulties. Addressing these mood conditions can often improve sleep more effectively than focusing solely on sleep interventions. It's about looking at the whole picture. For some, the increased awareness of their body's changes, similar to how one might notice shifts like [Increased Vaginal Discharge at 14 Weeks Pregnant](/pregnancy/symptoms/increased-discharge-week-14) or [Increased Vaginal Discharge at 15 Weeks Pregnant](/pregnancy/symptoms/increased-discharge-week-15) earlier in pregnancy, can contribute to a heightened state of alertness at night. This is a time when your body is preparing for birth, and while exciting, it can also bring a sense of heightened awareness that impacts rest.

Making informed decisions about your sleep habits is key. For instance, evidence consistently suggests that sleeping on your side, particularly your left side, is preferred after 20 weeks of pregnancy. A 2019 BMJ meta-analysis found an association between falling asleep on the back in the third trimester and an increased stillbirth risk, approximately 2.3 times higher. This is a vital piece of information that allows you to make calm, confident choices about your sleep position. Many people find that incorporating supportive tools, such as body pillows, wedge pillows, or pregnancy-specific pillows, can significantly reduce physical discomfort and help maintain a preferred side-sleeping position throughout the night. Just as you might track other bodily changes, like noticing [Increased Vaginal Discharge at 16 Weeks Pregnant](/pregnancy/symptoms/increased-discharge-week-16), paying attention to your sleep patterns and what might be contributing to wakefulness can offer valuable insights. Remember, you get to decide what feels right for your body and your peace of mind. Your provider is your best resource for your specific situation.