Name Info Provider Link
subscription/membership/fee required American Psychological Association http://content.apa.org/journals/pas/35/8/659
Insomnia free resource MedlinePlus Health Information https://medlineplus.gov/insomnia.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=37289502.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/37289502/
Drug Use and Addiction free resource MedlinePlus Consumer Health Information https://medlineplus.gov/druguseandaddiction.html