
Perinatal Insomnia May Induce Concurrent and Postpartum Anxiety
New research discovered mid-pregnancy insomnia may be a marker for both concurrent and postpartum anxiety.
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What is the relationship between insomnia and anxiety during pregnancy? In the
In the study, which was part of the Norwegian Depression and Anxiety in the Perinatal Period (DAPP) study, 530 women received questionnaires during pregnancy week 17 (considered mid-pregnancy) and 8 weeks postpartum; the Bergen Insomnia Scale, Hopkins Symptom Checklist, and Mini-International Neuropsychiatric Interview were used to measure insomnia, anxiety, and obsessive-compulsive disorder symptoms, respectively. Most (97%) of the women were married; average age was 30.5. This was the first pregnancy for 38% of the women. A small percentage reported smoking (1.5%) and dipping tobacco use (1.4%) during pregnancy. At mid-pregnancy, 59.8% of the respondents reported insomnia.
About 12% of the women with insomnia reported a previous anxiety or related disorder, compared with 7% of their counterparts who had normal sleep during pregnancy. Similarly, 43% of the women with insomnia had previous depression, while 26% of the women with normal sleep reported previous depression.
After adjusting for potential confounders, Rannveig S Osnes, MD, and colleagues found a significant positive association (b = 0.01, p = 0.001) between mid-pregnancy insomnia and both concurrent and postpartum anxiety. However, mid-pregnancy insomnia was not more strongly associated with concurrent anxiety than postpartum anxiety, indicating it may be a predictor of postpartum anxiety. Women who reported insomnia also had higher levels of postpartum OCD symptoms than those participants who did not report sleeping difficulties.
Since overactive arousal systems are believed to be common in both insomnia and anxiety, the researchers noted negatively toned cognitive activity of insomnia might trigger arousal and distress, which in turn may lead to anxiety symptoms. They further hypothesized that cognitive behavioral therapy (CBT) for insomnia might improve or prevent perinatal anxiety. A
Although further research is warranted, Osnes and colleagues1 believe these results have great clinical implications. “Antenatal insomnia could be an important intervention target, and screening for insomnia during mid-pregnancy could be an efficient strategy for detecting women who are struggling with or at risk of developing anxiety, not least of all because reporting insomnia symptoms may feel less stigmatizing,” they concluded.
References:
1 Osnes RS, Eberhard-Gran M, Follestad T, et al. Mid-pregnancy insomnia is associated with concurrent and postpartum maternal anxiety and obsessive-compulsive symptoms: A prospective cohort study. J Affect Disord. 2020;266:319-326.
2. Reichner CA. Insomnia and sleep deficiency in pregnancy. Obstet Med. 2015;8:168-171.
3. Fawcett EJ, Fairbrother N, Cox ML, et al.
4. Felder JN, Epel ES, Neuhaus J, et al. Efficacy of digital cognitive behavioral therapy for the treatment of insomnia symptoms among pregnant women: A randomized clinical trial. JAMA Psychiatry. 2020 Jan 22. doi: 10.1001/jamapsychiatry.2019.4491. [Epub ahead of print].
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