Recovery of braking energy (recuperation or regeneration) helps with both. Many wealthy industrialists came to Kellogg's sanitarium for recuperation and rejuvenation. Cather was experiencing a long recuperation from gall bladder surgery. A year of recuperation and speech therapy was necessary before he could perform again. Nevertheless, he resumed filming later that year after a long period of recuperation. The unit was withdrawn from the front for recuperation and refitting. His energy, capacity for work, and power of recuperation are remarkable. He was trepanned, and required a long period of recuperation. The higher the braking proportion, the higher the recuperation. After two more weeks in hospital, he returned home and began a slow recuperation. Also, a lack of symptoms is not a reliable indicator of intestinal recuperation. He discovered the benefits of a waterbed for recuperation. A notable break allowing for recuperation followed. A dwelling was built for his recuperation during the next six months. During her subsequent recuperation at a clinic in Louveciennes, she started watercolor painting.