Pillows were for girls, lying down was dangerous and invalids should nap standing up!
MS images of the Birth of Louis VIII of France in the 1180s
MS image of Philip IV of France in bed c1314
Reconstruction of beds c1465 at the Walraversijde medieval village in Belgium
Green canopied bed from the Book of Hours owned by Joanna of Castile c1500, British Library
Henry VIII on his impressive death bed, 1547