To provide a bed which stimulates effective points of a human body and improves blood flow with hyperthermia effect of incorporated stones in the bed he/she lies on and relieves physical and mental diseases, relax body and mind for protecting health and relieves symptoms.

The hyperthermia bed 'dreamy state' 1 includes the stones 2 heated to 42-43°C in the bed, holds the parts of a sleeping human body 5 (head, neck, shoulders, back, waist, hips, hams, legs or the like) on them and activates the human body functions to relieve physical and mental diseases. The hyperthermia bed 'dreamy state' can be daily used in social environment with various requirements, such as a residence, a workplace, a hospital, public facilities or the like. The means for heating the hyperthermia bed to 42-43°C is thought possible in the cases with hot water (hot spring or the like), fire power or an electric heater. Stones laid everywhere can be used as the incorporated stones.