3 drops of Peppermint essential oil. How Deep Sleep Diffuser Blends Can Help You . Simply add a few drops of the desired essential oil into a diffuser. You can also diffuse 5-10 drops of this blend in a diffuser 2-3 times a day. Diffuse or massage on chest and behind of the ears. Disclaimer . And, take note, the efficacy of a certain oil can vary from person to person. Feel free to read more about our story and how we got here by clicking here. To disinfect a sick room and help prevent the spread of the flu, try diffusing: 3 drops lemongrass. 1-2 drops of Frankincense