The term "cat nap" is thought to have originated from the observation of cats, who are known for their tendency to take short, intermittent periods of rest throughout the day. These brief periods of sleep are often referred to as "cat naps," as they mimic the sleeping habits of felines.
The term itself has been in use for several centuries, with the earliest recorded instance dating back to the mid-18th century. It is believed that the term gained popularity during the Victorian era, when cats were kept as popular household pets and their behavior was closely observed and admired.
Today, the term "cat nap" is commonly used to refer to a brief period of sleep, typically lasting between 10 and 30 minutes, taken during the day. The idea behind a cat nap is that it can help to refresh the mind and increase productivity, making it a popular practice among those who need to recharge during the day.