New research explores the neurological benefits of sleeping with pillows, specifically how the act mimics a hug. Neuroscientists are discovering that the deep pressure tactile stimulation provided by positioning pillows between the legs or arms impacts the nervous system. This sensation activates pressure points, leading to increased parasympathetic activity—the body’s “rest and digest” response. Consequently, this physiological shift helps to lower cortisol levels, the hormone associated with stress. The practice provides a sense of security and comfort, promoting relaxation. Experts suggest this unconscious behavior is a self-soothing mechanism, leveraging the positive effects of physical touch even during sleep. Ultimately, embracing pillows can be a simple, accessible tool for stress reduction and improved sleep quality.