In today’s fast-paced world, finding effective methods for stress reduction has become vital for our mental and physical well-being. Among the various relaxation techniques available, floatation therapy, also known as sensory deprivation or REST (Restricted Environmental Stimulation Therapy) is a fascinating and scientifically supported approach to combating stress.
When you enter our float pod at Floatworks, you’re immersing yourself in body-temperature water containing roughly 500kg of Epsom salt (magnesium sulphate). This creates an environment of neutral buoyancy, where your body effortlessly floats on the surface. The tank is designed to minimise sensory input: it’s soundproof, lightproof, and maintains a consistent temperature that matches your skin, effectively eliminating the boundary between your body and the water.
What happens to our bodies during floating is particularly intriguing. Research conducted at the Human Performance Laboratory at Karlstad University in Sweden has shown that floating triggers a profound relaxation response. During a typical one-hour session, cortisol levels, our primary stress hormone, decrease significantly. This reduction continues well after the session ends, with some participants reporting sustained benefits for up to two weeks.
The magnesium absorption from the Epsom salt plays a crucial role as well. Magnesium is a natural muscle relaxant and helps regulate the nervous system. According to studies published in the Journal of Psychosomatic Research, this combination of weightlessness and magnesium absorption leads to reduced muscle tension, decreased blood pressure, and improved heart rate variability, all indicators of reduced stress levels.
Perhaps most fascinating is floating’s effect on our brains. Using EEG measurements, researchers have observed that regular floating sessions increase theta wave activity, the brain waves associated with deep meditation and REM sleep. This state, often called the ‘twilight zone’ between wakefulness and sleep, is where many people experience their most creative and insightful moments.
The Laureate Institute for Brain Research in Tulsa has conducted groundbreaking studies showing that the theta state achieved during floating can help reorganise neural pathways associated with stress and anxiety. Their research suggests that floating might actually help ‘rewire’ our stress response over time.
The benefits extend beyond immediate physiological changes. Regular floaters report improved sleep quality, enhanced problem-solving abilities, and better emotional regulation. These improvements likely stem from the unique opportunity floating provides for uninterrupted introspection and mental clarity. Dr. Justin Feinstein, a leading researcher in the field, notes that floating creates an environment where the ‘default mode network’ of the brain often overactive in people experiencing stress and anxiety, can finally quiet down. This mental reset allows for better stress management even in demanding situations outside the tank.
Clinical studies have demonstrated that a series of float sessions can lead to lasting improvements in stress management. A notable study published in the International Journal of Stress Management found that participants who completed twelve float sessions over seven weeks showed:
For those interested in exploring floatation therapy, it’s recommended to start with a series of at least 3 sessions rather than a one-off experience. The cumulative effects tend to be more pronounced, and many people report that their ability to achieve deep relaxation improves with practice.
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Resources for Further Reading
For those interested in diving deeper into the science behind floating and stress reduction, these resources provide valuable information:
Floating represents a unique intersection of ancient wisdom about relaxation and modern scientific understanding of stress reduction. As our understanding of its mechanisms continues to grow, flotation therapy stands out as a powerful tool in our arsenal against chronic stress, offering a peaceful refuge in our increasingly chaotic world. This simple yet profound practice reminds us that sometimes, the most effective solution to stress isn’t to fight against it, but rather to float above it, allowing our bodies and minds to naturally find their way back to balance.
