Scented candles can provide a range of mental health benefits, including mood elevation, stress and anxiety reduction, relaxation, and improved sleep. Certain fragrances, like lavender, lemon, and vanilla, have been shown to have a positive effect on mood, while others, like chamomile or jasmine, can help calm the nervous system. By taking a few minutes to sit and breathe in the aroma of a scented candle, you can experience a sense of calm.