Video: How long should your naps be? TedEd education initiative

Emma MillerEducational Material

Our sleep is made up of approximately 90 minute sleep cycles and each cycle has 4 stages. A nap can include a full sleep cycle or just a few stages because one nap can last anywhere from a few minutes to several hours.

What are the cognitive benefits of napping? What is the optimal length of a nap? When is the best time during the day for a short nap?