Woke up last night to the room spinning, extremely nauseaus, pouring sweat and unable to walk without extreme dizziness. Continued to experience this through the night. Fell asleep and woke up to slight spinning, nausea. Now 12 hours later, the spinning and sweating have stopped. Still very nauseaus slightly dizzy, very weak. I am 54 years old, in good health, have no history of heart trouble, high blood pressure, etc.