In a randomized controlled trial, lavender essential oil was found to be effective for treating restless leg syndrome. Read the full article here.
Reference: Hashemi, Sayyed Hossein, Ali Hajbagheri, and
Mohammad Aghajani. “The Effect of Massage With Lavender Oil on Restless
Leg Syndrome in Hemodialysis Patients: A Randomized Controlled Trial.” Nursing and Midwifery Studies 4.4 (2015).