CDC modeled the structure of the chemical poisoning case definitions in this report after the infectious disease case definitions that were previously developed by CDC and the Council of State and Territorial Epidemiologists (CSTE) (1,2).
Though they're often used for massage and aromatherapy, the use of essential oils as a therapeutic agent for sleep in children with autism spectrum disorder is due for scientific review.
However, early research shows that lavender essential oil may be of some benefit when it comes to easing sleep problems. For instance, a 2006 study of 42 women with insomnia found that four weeks of treatment with lavender aromatherapy helped relieve insomnia (in addition to reducing symptoms of depression).