OBS Resources for Breastfeeding & Sleep
Baby Sleep Info Source (BASIS) from Durham University Parent-Infant Sleep Lab. Information about normal infant sleep based upon the latest UK and world-wide research, including downloadable information sheets in several languages.
La Leche League GB Sleep and the breastfed baby
Kellymom Sleeping through the night
Parenting Science Newborn sleep patterns
Let's talk about your new family's sleep by Lyndsey Hookway (2020)
Sweet Sleep: Nighttime and Naptime Strategies for the Breastfeeding Family by La Leche League (2014). Also available in Kindle.
Safe Infant Sleep: Expert answers to your cosleeping questions by James McKenna (2020)