midday
-- And his mother 's look never left him all the time . ` Once he had been digging with his little spade among the fine grey gravel silted up here and there among the hollows of the rocks . He had been digging with great energy , and for May the air was hot . Lizzie looked up and said to him , `` Sandy , it 's time for me to take you to bed '' -- that is , for his midday sleep . `` Yes , '' he said , with a languid air , sitting down on a stone with his spade between his knees -- `` yes , I think I 'd better come to bed . My heart is very dreary . '' ` What do you mean ? '