Insomnia article from CAM at the NIH newsletter:
nccam.nih.gov/news/newsletter/2005_summer/sleep.htm

Melatonin report from Agency for Healthcare Research and Quality:
ahrq.gov/news/press/pr2004/melatnpr.htm

Valerian fact sheet from NIH Office of Dietary Supplements:
ods.od.nih.gov/factsheets/Valerian.asp

Valerian Herbs at a Glance:
nccam.nih.gov/health/valerian/index.htm

Biologically-based practices: NCCAM Backgrounder
nccam.nih.gov/health/backgrounds/biobasedprac.htm

Mind-body medicine: NCCAM Backgrounder
nccam.nih.gov/health/backgrounds/mindbody.htm

Insomnia-related clinical trials:
clinicaltrials.gov/search/term=(NCCAM)+%5BSPONSOR%5D+(insomnia)+%5BCONDITION%5D?recruiting=false

Sleep-disorder related clinical trials:
clinicaltrials.gov/search/term=(NCCAM)+%5BSPONSOR%5D+(sleep+disorders)+%5BTREATMENT%5D?recruiting=false

Complementary and Alternative Medicine Use Among Adults: United States, 2002. May 27, 2004. Barnes P, Powell-Griner E, McFann K, Nahin R. CDC Advance Data Report #343.
nccam.nih.gov/news/report.pdf(PDF)

CRISP database for funded grants:
crisp.cit.nih.gov/crisp/crisp_query.generate_screen

Note: The PDF file requires a viewer such as Adobe Reader, which you can download free of charge from the Adobe Web site.