ARTICLE

10 Tips to Beat Insomnia
WebMD

https://www.webmd.com/women/guide/insomnia-tips

ARTICLE

8 Tips for Beating Insomnia and Improving Your Sleep
Chris Kresser

https://chriskresser.com/8-tips-for-beating-insomnia-and-improving-your-sleep/

BOOK

Sleep Disorders and Sleep Deprivation: An Unmet Public Health Problem.
Institute of Medicine (US) Committee on Sleep Medicine and Research; Colten HR, Altevogt BM, editors. Washington (DC): National Academies Press (US); 2006.
Detailed description of the many aspects of sleep.

https://www.ncbi.nlm.nih.gov/books/NBK19956/

WEBPAGE

Insomnia: Symptoms, Causes, and Treatment
HelpGuide

https://www.helpguide.org/?s=insomnia

WEBPAGE

Insomnia
Mayo Clinic

https://www.mayoclinic.org/diseases-conditions/insomnia/diagnosis-treatment/drc-20355173