During REM sleep this is when people have dreams, and your eyes are closed but they move back and forth super fast. As you enter REM sleep you will go through different stages of REM sleep. REM Sleepįinally, REM sleep is the final stage of the sleeping process. As you get older, it becomes harder and harder to enter this stage of sleep during the night. This is crucial for how you are going to feel the next day. Slow wave sleep or deep sleep is when you will be experiencing the most restorative sleep in the night. This is also the stage that children experience sleepwalking, or nightmares. When you wake up during stage 4 you feel groggy and disoriented for a few moments. In stage 4 there is no eye movement or muscle activity going on throughout the body. Stage 4 is also considered to be deep sleep by experts that study sleep patterns. As the delta waves start to appear, they are coming alongside smaller and faster waves. When in this stage you are going to have extremely slow brain waves that are called delta waves. In the third stage, you are finally making the transition from light sleep to deep sleep. Your body is preparing itself for the nexts stages where you will be going into deep sleep. In this stage, your eye movements will stop, body temperature slowly drops, and your heart rate starts slowing down. When you enter stage two you are still in a lighter sleep than you want to be in.
When in stage one you can also remember fragmented visual images when you are awakened. If you ever feel like you are falling and then your muscles jerk and you wake up, that is stage one sleep. In this stage, you will wake up often and your eyes are moving very slowly. Stage 1 of the sleep process is when you are in very light sleep falling in and out. As you would expect, this starts in stage 1 and then works all the way until stage 5 which is REM sleep.
There are 5 different stages that our bodies go through as we are sleeping in the night. Once we are asleep, the adenosine in our blood slowly starts breaking down. Another chemical called adenosine builds up throughout the day in our blood which starts causing drowsiness. There are other neurons located at the base of the brain that begin to signal as we start to fall asleep. The neurons in the brainstem produce neurotransmitters like serotonin that keeps the brain active when we are awake. These come in different groups of nerve cells, neurons, and inside the brain. Your sleep is controlled by neurotransmitters that signal whether you are awake or asleep. To start, you need to know what sleep really is and how you get your brain and body into that state.
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