Sound healing with vibration: what vibroacoustic therapy actually does

A vibroacoustic bed plays sound you can feel. Speakers built into the bed turn low-frequency sound into vibration, so a recording reaches you through your back and legs as well as through your ears. Interest in these beds has grown quickly, and so have the claims made about them.

We have just added a Zenthesia vibroacoustic bed at SoliVana in Redwood City, so we read the research before writing a word about it. Here is what it shows, and where it is still thin.

What Vibroacoustic Means

Think of it as a sound bath you feel in your body. In a classic sound bath, someone plays bowls or gongs in a room while you listen. Vibroacoustic sound healing puts the sound into the surface under you, so it reaches you as vibration as well as sound. At SoliVana it is a private session that runs from a recording.

The word simply joins vibration and acoustic. In the studies below, people lie on a bed or lounger fitted with transducers, small speakers that move the surface rather than the air, while they listen to music, nature sounds or a purpose-made recording. Researchers then look at stress in two ways: what people report on questionnaires, and heart rate variability (HRV), the small changes in time between heartbeats that researchers often use as a window on the body's stress response.

Four Studies Worth Knowing

Kantor et al., 2022: a pilot randomized trial

Fifty-four students at a university summer school in the Czech Republic were randomly assigned to 20 minutes on a vibroacoustic bed with a purpose-made music recording, or to the same recording with its lowest frequencies removed. Both groups improved from before to after. The only difference between the groups was in HRV, which favoured the vibration group. On the questionnaires, how stressed and how relaxed people felt did not differ between the groups. The authors call it a pilot, too small to settle the question (Frontiers in Psychology, 2022).

Vilímek et al., 2022: a randomized crossover study

Twenty-four students enrolled, and each tried three 20-minute sessions a week apart: a steady 40 Hz vibration with a nature recording, a pulsing 40 Hz vibration with the same recording, and the recording alone with no vibration. HRV shifted and stress eased slightly after all three, including the session without vibration. Differences between the three were rare and mostly not statistically significant, and the authors suggest the nature sounds, or simply lying still, may explain much of what they saw (Healthcare, 2022).

Fooks and Niebuhr, 2024: one long session, no comparison group

Forty adults, mostly young university students in Copenhagen, lay on a vibroacoustic module for 45 minutes while listening to a nature soundscape through headphones. During the session, HRV measures linked to the body's rest-and-digest side rose compared with an earlier resting stage of the same visit. There was no control or placebo group, so the study cannot separate the vibration from the simple act of lying down for 45 minutes, a limit the authors name themselves (Sensors, 2024).

Motokawa and Kato, 2025: vibration with music

Two small experiments in Japanese men used a handheld device, rather than a bed, that pulsed like a slowing heartbeat. In the second, the same men tried vibration with music, music alone, and no intervention after a set of mental tasks. Self-reported stress fell with both vibration plus music and with music alone. Only the combination lowered salivary cortisol compared with doing nothing. The authors point to their small, all-male samples as a limit (BMC Psychology, 2025).

What It Adds Up To

Read together, these studies are small, short and early. Most involved young, healthy volunteers, often students. Lying still while listening to calm sound seems to help people feel more at ease, and in some studies HRV moves in a relaxed direction. Whether the vibration adds much on top of the sound and the stillness is still open: when researchers compared vibration with sound alone, the differences were usually small or absent. Two of the studies also included researchers who helped design the beds being tested, which the papers disclose.

That is why we describe our sessions plainly. A vibroacoustic session at SoliVana is a wellness experience: a chance to lie down, stay clothed, and rest while sound moves through the bed beneath you.

Sessions on the Zenthesia Bed

We offer two sessions on the bed. Both use a recording. A member of our team starts it, then you rest on your own, fully clothed.

• Vibroacoustic Sound Healing: twenty minutes, a Signature experience. Members can book it with Signature credits.
• NSDR Deep Rest: forty-five minutes of guided non-sleep deep rest, a Core experience. Members can book it with Core credits.

New to NSDR? Our guide, What Is NSDR? A Guide to Non-Sleep Deep Rest, explains the practice and where the name comes from.

Before You Book

A wellness experience, not medical diagnosis or treatment. If you are pregnant, have a pacemaker or implanted device, or a medical condition, check with your doctor first.

Book a Session

Book Vibroacoustic Sound Healing or book NSDR Deep Rest. You will find us at 1922 El Camino Real in Redwood City.