DOUBLE SUMMER TIME
SIR,—In " Marginal Comment " of your issue of September 15th Mr. Harold Nicolson speaks of double summer time as " beneficial to the mass of the population "—agriculturists being the only sufferers. It is probably far truer to say that the greatest sufferers are growing children, who, as the result of double summer time, lose many hours of sleep for five months of the year. Far too little attention and thought are given to this vitally important matter. Apart from the special circumstances of the war, if I were asked what is primarily responsible for the " lack of concentration " so evident in all classrooms I would answer without hesitation (t) too much excitement—e.g. the cinema habit, (2) too little * Incorporated Association of Preparatory Schools.