Power of Scent in Calming the Mind Before Bed The human sense of smell is closely tied to the brain’s limbic system, the area that controls emotions, memories, and relaxation responses. That’s why certain scents can instantly change your mood or transport you to a peaceful state of mind. Before bed, using calming aromas can be a powerful way to prepare both your body and mind for sleep. Scents such as lavender, chamomile, jasmine, and sandalwood are known for their ability to reduce stress hormones like cortisol, slow heart rate, and encourage feelings of tranquility. Inhaling these soothing fragrances triggers the release of neurotransmitters such as serotonin and GABA, which help calm the nervous system and promote deeper, more restorative sleep. Incorporating scent into your nighttime routine can be simple yet transformative . Try using a sleep pillow spray, aromatherapy candle, or essential oil diffuser about 20 minutes before bed. The gentle aroma will signal to your brain ...