The short answer is no, though it may not seem that way to the casual observer. That's because after death, the human body dehydrates, causing the skin to shrink. read more
Death puts a stop to the supply of glucose, and therefore to fingernail growth. A similar process occurs for hair. Each hair sits within a follicle that drives its growth. At the base of the follicle is the hair matrix, a group of cells that divide to produce the new cells that make hair strands longer. read more
Nail and hair growth (by technicality) This is a technical function, not an actual function. The body doesn't produce more hair and nail tissue, but both of these things do 'grow,' in the days after death. read more