Yes, it works. I use lavender oil from Anveya in diffuser in room. It works perfectly fine for relaxation, provides calm and induces sleep too.

Lavender essential oil is one of the most popular and versatile essential oils used in aromatherapy. Distilled from the plant Lavandula angustifolia, the oil;<b>promotes relaxation and believed to treat anxiety, fungal infections, allergies, depression, insomnia, eczema, nausea, and menstrual cramps</b>.

Lavender oil is known for aroma therapy, yes they give a relaxing feel if added in a diffuser. Anveya has good quality essential oils, do check