Medical News Today. https://www.medicalnewstoday.com/articles/326534
Diakses pada 25 April 2020NCBI. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5017073/
Diakses pada 25 April 2020What to Expect. https://www.whattoexpect.com/baby-products/pregnancy/best-body-pillows-pregnancy/
Diakses pada 25 April 2020Parenthub. https://www.parenthub.com.au/pregnancy/sleep-pregnant/
Diakses pada 25 April 2020