Lavender oil is one of the oldest ways to massage the body with and relax the mind. The massaging of lavender oil is also known as lavender oil aromatherapy, in which the folk in the past massages the collection with lavender oil as a remedy to improve sleep in people. Lavender oil is one of the oils that have the most soothing effects on the body. Use lavender oil in your bathing water or a few drops on the pillow cover and place it next to you. While some doctors suggest taking the lavender plant as whole orally to help to reduce the pain and promoting sleep, you can also brew some lavender in your tea and drink this tea before bedtime to help to fall asleep. The lavender plant and lavender oil are safe for most people, but in some people, it may cause nausea, constipation, or headaches.