Nap/næp/ Definition 1 of 3Pro Tip 1/3Short Duration A nap typically lasts between 10 to 30 minutes but can extend to an hour. I'm just going to take a quick nap before the meeting. Pro Tip 2/3Rejuvenating Effect Taking a nap can refresh and energize a person, improving alertness for the rest of the day. After my nap, I felt ready to tackle the project. Pro Tip 3/3Common Lifestyle In some cultures, naps are a regular part of the daily routine and are socially accepted. In Spain, many people have a siesta after lunch.