Sleep is one of the most important activities that you do. You spend about one-third of your life sleeping. While you are sleeping, your body cycles through four different stages of sleep - N1, N2, N3, and REM. These stages are all different and your eye movements, Derila Brand muscle activity, and brain waves vary during each stage. What Are the Stages of Sleep? The four stages include two different types of sleep, non-rapid eye movement (NREM) and rapid eye movement (REM). Non-rapid eye movement sleep is divided into three types: N1, N2, and N3. Keep reading to find out what happens in each stage. This is the stage of sleep that you enter when you first fall asleep. It begins your sleep cycle and lasts between one and five minutes. During this phase, you are in a light sleep. It’s easy to wake up. Your muscles may twitch and your body relaxes. Your breathing, Derila Review Pillow brain waves, Derila Product and heartbeat all begin to slow down.

Why It’s Important: This stage of sleep helps prepare you for the deeper stages of sleep. This is a period of deeper NREM sleep. It lasts between 10 and 25 minutes. As the night goes on, Derila Product the amount of time you spend in this stage becomes longer. Your muscles begin to relax. You may experience a drop in body temperature during this phase. You spend the majority of your sleep time in this stage. It accounts for about 50 percent of total sleep time for most adults. Why It’s Important: Your brain collects and organizes memories during this stage of sleep. Also called Delta wave sleep for the brain wave patterns seen during this stage, N3 is the deepest stage of sleep. It lasts 20-40 minutes. During this stage, your heartbeat, muscles, and breathing are all relaxed and Derila Product slow. It’s difficult to awaken from this stage of sleep, If you do wake up, you are likely to feel disorientated and groggy.

Stage N3 is also the most restorative sleep stage. It’s what helps you feel reinvigorated and energetic when you wake up in the morning. Why It’s Important: During this stage the body repairs bone and tissue and the immune system is strengthened. During the rapid eye movement (REM) stage of sleep is when most of your dreaming occurs. Your eyes move rapidly under your eyelids during this stage of sleep. This stage begins about an hour and a half after you fall asleep. It lasts anywhere from 10 minutes to an hour. The length of REM sleep increases as the night progresses. As you get older, you will spend less time in REM sleep. While in REM sleep, your brain wave activity resembles that of when you are awake. Compared to the other stages, your heartbeat increases, blood pressure increases and your breathing becomes more rapid. You may have intense dreams or nightmares during REM sleep since your brain is more active.