http://news.harvard.edu/gazette/1998/04.09/ChildrenNeedTou.html
http://pediatrics.aappublications.org/content/early/2016/05/21/peds.2015-1486?
http://www.aasmnet.org/resources/practiceparameters/review_nightwakingschildren.pdf
http://www.adaa.org/about-adaa/press-room/facts-statistics
http://www.anxietycentre.com/anxiety-statistics-information.shtml
http://www.barnesandnoble.com/w/books/1102230829
http://www.cdc.gov/features/dsdrowsydriving/
http://edition.cnn.com/2016/05/24/health/cry-it-out-sleep-training-ok/
http://www.hno.harvard.edu/gazette/1998/04.09/ChildrenNeedTou.html
http://www.jpeds.com/article/S0022-3476(16)00346-2/abstract
http://www.jstor.org/stable/3427496
http://www.jstor.org/stable/41514920
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2888013/
http://www.ncbi.nlm.nih.gov/pubmed/16377826
http://www.ncbi.nlm.nih.gov/pubmed/17537613
http://www.nhs.uk/news/2016/05May/Pages/Leaving-babies-to-cry-will-improve-their-sleep-study-says.aspx
http://www.nimh.nih.gov/health/statistics/prevalence/any-anxiety-disorder-among-adults.shtml
http://www.nimh.nih.gov/health/statistics/prevalence/any-anxiety-disorder-among-children.shtml
http://www.nimh.nih.gov/health/statistics/prevalence/generalized-anxiety-disorder-among-children.shtml
http://www.reuters.com/article/us-usa-health-anxiety-idUSBRE86C07820120713
http://www.sciencedirect.com/science/article/pii/S0163638315300382
http://www.sciencedirect.com/science/article/pii/S0163638315300916
http://www.swansea.ac.uk/media-centre/news-archive/2015/sleeplessnightsnewresearchfindsbabiesshouldwakeatnight.php
http://www.thekimfoundation.org/html/about_mental_ill/statistics.html
https://sleepfoundation.org/sleep-topics/children-and-sleep
https://uk.sagepub.com/en-gb/eur/understanding-schemas-and-young-children/book237997#contents
https://uk.sagepub.com/en-gb/eur/working-with-babies-and-children/book237414
https://www.aap.org/en-us/about-the-aap/aap-press-room/pages/AAP-Expands-Guidelines-for-Infant-Sleep-Safety-and-SIDS-Risk-Reduction.aspx
https://www.aap.org/en-us/about-the-aap/aap-press-room/pages/Infant-Sleep-Training-is-Effective-and-Safe-Study-Finds.aspx
https://www.caltech.edu/news/research-suggests-brains-melatonin-may-trigger-sleep-45860
https://www.cdc.gov/mentalhealth/basics/burden.htm
https://www.elsevier.com/about/press-releases/research-and-journals/bedsharing-and-bassinets-two-new-studies-assess-the-risks
https://www.mcri.edu.au/users/anna-price/blog/good-night%E2%80%99s-sleep-let-sleeping-babies-lie
https://www.nami.org/Learn-More/Mental-Health-By-the-Numbers