Is life a dream?

Top scientist asks: is life all just a dream?The idea that life, the universe and everything in it could be an illusion dates back more than 2,000 years. Chuang Tzu, the Chinese philosopher, who died in 295BC, wondered whether his entire life might be no more than a dream. http://www.timesonline.co.uk/tol/news/uk/article391138.ece