Limitations on tanning. The process of tanning, known as melanogenesis, may take up to 48 hours to start. Therefore, it's recommended that you allow that amount of time to pass between sessions in a tanning bed. Businesses will not allow you to tan for more than 30 minutes in a bed, and less than that for certain beds.
It took Tolstoy six years to write War and Peace, beginning in 1862.
Tolstoy said War and Peace is not a novel, even less is it a poem, and still less a historical chronicle. Large sections, especially the later chapters, are a philosophical discussion rather than narrative.