Research and references 

Mindell JA, Kuhn B, Lewin DS, Meltzer LJ, Sadeh A; American Academy of Sleep Medicine. Behavioral treatment of bedtime problems and night wakings in infants and young children. Sleep. 2006 Oct;29(10):1263-76. Review.  PDF  https://aasm.org/resources/practiceparameters/review_nightwakingschildren.pdf

Bartick M, Smith LJ. Speaking out on safe sleep: evidence-based infant sleep recommendations. Breastfeed Med. 2014 Nov;9(9):417-22 Abstract https://www.ncbi.nlm.nih.gov/pubmed/25188911

Whittingham K, Douglas P. Optimizing parent-infant sleep from birth to 6 months: a new paradigm. Infant Ment Health J. 2014 Nov-Dec;35(6):614-23.  PDF  https://www.researchgate.net/publication/264288468_Optimizing_parent-infant_sleep_from_birth_to_6_months_A_new_paradigm

Bartick M, Smith LJ. Speaking out on safe sleep: evidence-based infant sleep recommendations. Breastfeed Med. 2014 Nov;9(9):417-22. doi: 10.1089/bfm.2014.0113.  PDF Research Gate   https://www.researchgate.net/publication/265343432_Speaking_Out_on_Safe_Sleep_Evidence-Based_Infant_Sleep_Recommendations

Resources and articles 

Putting Your Baby to Sleep: Some Advice and Good News  Aaron E. Carroll    New York  Times 

Baby sleep     https://www.babysleep.com/

Possums for parents and babies  https://possumsonline.com/