What are the 5 different stages of sleep? Before you can answer the question, “What are the different stages of sleep?” you need to understand what each stage of sleep involves. The N1 stage, for example, is the lightest of all the stages. This stage typically lasts between one and five minutes. During this time, brain waves slow to a very low level and the body’s temperature drops. The brain’s activity is recorded with electroencephalograms, and interesting things can be observed. In the first cycle, this stage lasts about 25 minutes, but gets longer with each passing sleep cycle. ...Read more

Related Tags

Read More