flotation REST, floatation REST, psychophysiology, stress, anxiety, depression

The study is a summary of the knowledge of the Flotation REST technique and its effects on stress, anxiety and depression from the point of view of psychophysiology. Flotation REST is a specific form of relaxing environment invented in the 1950s which has been researched in particular in the fields of psychology and physiology. It is a hydrotherapeutic device that utilizes the effect of environmental stimulation restriction. Hence the abbreviation REST (Restricted Environmental Stimulation Technique). In our country, the technique is usually used in spa centers and wellness facilities. In foreign research, in particular in the USA, Canada and Sweden, Flotation Rest has proved to be a unique method in the field of applied psychophysiology. It is a technique with predictable psycho‑ physiological effects, a useful application tool that could help in the treatment of certain somatic as well as mental conditions. The goal of this article is to summarize the effects of the method both on the physiological and psychological levels regarding stress, anxiety and depression, and to increase the awareness of this technique in view of its development and potential applications.