1.Psycho-physiologic Effects of Deep Sea Water Bathing.
Sadanobu KAGAMIMORI ; Hongbig WANG ; Ali NASERMOADDELI ; Miao ZHANG ; Michikazu SEKINE ; Yuko HORII ; Tetsuo SHINMURA ; Harumi NISHINO ; Sakae OHMURA
The Journal of The Japanese Society of Balneology, Climatology and Physical Medicine 2002;65(2):73-82
In order to investigate effects of deep sea water bathing on psycho-physiological status, body temperature, circulatory and autonomic nervous system functions, and questionnaires on refreshment and sleep were evaluated in comparison with other 3 kinds of bathing including sham (no water), surface sea water and tap water. The skin temperatures of both tights and lower back were significantly higher for only deep sea water bathing compared with the sham bathing. It was also the case for tympanic temperature. Concerning circularly and autonomic nervous functions there were no significant difference between 4 kinds of bathing. For refreshment and sleep quality both sea water bathing showed higher scores, but not consistently significant differences. However, when taking any kind of bath shorter sleep latency was related to higher cardiac parasympathetic activity during sleep.
2.Suggested Effects of Warm Deep Sea Bathing on Daylight Sleep and Relaxation in Night Shift Workers
Tetsuo SHINMURA ; Miao ZHANG ; Yuko HORII ; Hirofumi NAGASE ; Tetsuo ARATANI ; Hong WANG ; Ali NASERMOADDELI ; Alex GAINA ; Michikazu SEKINE ; Sadanobu KAGAMIMORI
The Journal of The Japanese Society of Balneology, Climatology and Physical Medicine 2004;67(3):155-164
In order to investigate the effects of deep sea water bathing on relaxation and daylight sleep in night shift workers, electroencephalography, circulatory and cardiac autonomic functionings, visual evoked potential, biochemical markers in urine and saliva, core body temperature, sleep questionnaires, and mood state questionnaires were evaluated in nine subjects to compare with other three kinds of bathing including sham (no water), tap water and surface sea water. Deep sea water bathing showed better subjective sleep latency for sleep questionnaire (p<0.1) and significantly better vigor status for mood questionnaire (p<0.01) between four kinds of bathing. With regard to the objective data, despite the biggest increase in temperature of eardrum in deep sea water bathing, the highest sleep efficiency and the shortest wake period during sleep in electroencephalography did not reach to the significant level.