This study tested a capsule containing highly purified CBD and natural plant compounds (terpenes) to see if it improves sleep in people with chronic insomnia. 125 adults aged 25-70 with long-term sleep problems took the capsule or a placebo. The researchers measured sleep stages …
Phase: PHASE2 • Sponsor: Defined Research • Aim: Symptom relief
Last updated May 15, 2026 11:55 UTC