Before revision: Historical use 200px| Six hours sleep and a mid day siesta One classic cultural example of a biphasic sleep pattern is the practice of siesta, which is a nap taken in the early afternoon, often after the midday meal.
After revision: Historical use 200px| Six hours sleep and a mid-day siesta One classic cultural example of a biphasic sleep pattern is the practice of siesta, which is a nap taken in the early afternoon, often after the midday meal.