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Sleep, light exposure at night, and psychological wellbeing during pregnancy

Ng CM 1 , Kaur S 2 , Kok EY 3 , Chew WL 3 , Takahashi M 4 , Shibata S 5

Affiliations 

  • 1 School of Pharmacy, Monash University Malaysia, South Lagoon Road, 47500, Bandar Sunway, Selangor Darul Ehsan, Malaysia
  • 2 Faculty of Applied Sciences, UCSI University, 1, Jalan Puncak Menara Gading, Taman Connaught, 56000, Kuala Lumpur, Malaysia. satvinderkaur@ucsiuniversity.edu.my
  • 3 Faculty of Applied Sciences, UCSI University, 1, Jalan Puncak Menara Gading, Taman Connaught, 56000, Kuala Lumpur, Malaysia
  • 4 Institute for Liberal Arts, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8550, Japan
  • 5 Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima City, Hiroshima, 734-8551, Japan
BMC Public Health, 2023 Sep 16;23(1):1803.
PMID: 37716989 DOI: 10.1186/s12889-023-16655-y

Abstract

BACKGROUND: Psychological wellbeing during pregnancy is imperative for optimal maternal outcomes. The present study aimed to determine the association between sleep quality, light exposure at night, and psychological wellbeing in the 2nd and 3rd trimesters of pregnancy.

METHODS: This prospective study was conducted in 9 randomly selected government maternity clinics in Kuala Lumpur, Malaysia. Healthy women aged 20-48 years old with single pregnancy were recruited using convenience sampling (n = 169). Sleep quality, light exposure at night, and psychological wellbeing were self-reported using the Pittsburgh Sleep Quality Index (PSQI), Harvard Light Exposure Assessment (H-LEA), and Depression, Anxiety, and Stress Scale (DASS-21) in the 2nd trimester and followed-up at the 3rd trimester.

RESULTS: During the 2nd and 3rd trimesters of pregnancy, mild to severe symptoms of stress (10.7 and 11.3%), anxiety (42 and 44.3%), and depression (9.6 and 16.6%) were observed among the participants. Adjusted multiple linear regression revealed that poor sleep quality and higher light exposure at night were attributed to greater stress and depression symptoms in the 3rd trimester. Higher lux level exposed from 10 pm to 

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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