Question: what essential oils are good to diffuse at night?
Answer: Lavender Oil. Lavender is known for its relaxing effects. ... 
Chamomile Oil. Chamomile alleviates insomnia by reducing anxiety and tackling depression. ... 
Sweet Marjoram Oil. ... 
Bergamot Oil. ... 
Clary Sage Oil. ... 
Valerian Oil. ... 
Sandalwood Oil. ... 
Ylang Ylang Oil.