Dr Nikki Ramskill, a GP verified on the healthcare review platform Doctify, and founder of The Female Health Doctor Clinic, told HuffPost UK: “Firstly, your body is doing a huge amount of work behind the scenes. Prolactin, the hormone responsible for milk production, naturally has a calming, sleepy effect, and levels rise overnight.
Article source: https://www.huffingtonpost.co.uk/entry/does-breastfeeding-make-you-tired_uk_6a830fe8e4b05886dff5aaa9