Warm towels are comforting for obvious reasons. They're soft. They're warm. They create an immediate sense of comfort the moment they touch the skin.
What's less obvious is why certain sounds can create a similar feeling.
Think about the sound of rain against a window. The crackle of a candle wick. Water running before a shower. A fan humming quietly in the background. None of these sounds physically touch us, yet many people describe them as comforting, cozy, or even restorative. Somehow, they seem to change the way a moment feels.
At first glance, that may not make much sense. Hearing and touch are two completely different senses. One belongs to the ears and the other belongs to the skin. Yet researchers have discovered that the brain doesn't process sensory information in neat little categories. Instead, our senses constantly interact with one another, helping us build a complete picture of the world around us.
One of the most fascinating examples of this comes from what researchers call the "parchment skin illusion." In this study, participants rubbed their hands together while listening to altered versions of the sound their hands made. When researchers increased certain high-frequency sounds, participants reported that their hands felt drier and rougher, despite nothing physically changing about their skin. The only thing that changed was the sound. The brain interpreted that sound as a change in texture.
Researchers have observed similar effects in studies involving food. In one famous experiment, participants rated potato chips as fresher and crispier when the crunching sounds they heard were amplified. The chips themselves remained exactly the same. Yet the sound changed the perceived texture.
These findings suggest something many of us experience intuitively: sound helps shape how things feel.
This may explain why the sound of rain can make a blanket feel cozier. The blanket itself hasn't changed, but the sensory environment surrounding it has. The brain is taking in multiple pieces of information at once and combining them into a single experience. The same thing happens when we hear a crackling fire and perceive warmth, or when the sound of running water makes us anticipate the comfort of a hot shower before we ever step inside.
When relaxation is discussed, it's often talked about through a tactile lens. But sound deserves a seat at the table too. Relaxation is rarely created by one sensory experience alone. It is usually the result of several senses working together.
The candle smells wonderful, but the soft music in the background changes the atmosphere. The shower steamer smells refreshing, but the sound of the water helps create the ritual. The blanket is soft, but your jazz playlist gives it that extra umph.
Perhaps that is why we are drawn to certain sounds again and again. Not simply because we enjoy hearing them, but because of how the significantly shape some of our most enjoyed experiences. Certain sounds help create a feeling of safety, familiarity, warmth, or ease. They become part of the ritual.
So the next time you find yourself reaching for a soft playlist, leaving a fan running while you sleep, or lingering near the sound of a crackling candle, consider that you may not be listening for the sake of listening at all.
You may be creating an environment that feels a little more like comfort.
And sometimes, comfort sounds remarkably similar to warm towels.