1st Essay
CONSCIOUSNESS AND SLEEP CYCLE
Is sleep considered to be a state of consciousness? Consciousness is a state of mindful wakefulness in which people are aware of themselves, their surroundings and are able to perceive and process stimuli around them. The consciousness of every awake person is clear. Sleeping people, on the other hand, enter a state of altered consciousness because their brains are active even if they are not moving or speaking. As people fall asleep, they go through different stages. And there are three important stages of sleep that a person goes through before and during sleep: NREM, N1-N2-N3, and REM sleep.
The
three stages of NREM are the second stage of the sleep phase. During N1,
your brain slows down, as does your heartbeat and breathing. During N2, you
lose awareness of your surroundings, your body temperature drops, your eye
movements stop, and your breathing and heart rate become more regular. During
N3, your muscles are completely relaxed, your blood pressure drops, your
breathing slows, and you enter your deepest sleep.
REM sleep is the final stage of the sleep cycle, and it is a much deeper sleep than the other three stages. The activity of your brain during this stage most closely resembles that of your brain during waking. However, your body is temporarily paralyzed, which is a good thing because it prevents you from acting out your dreams. Your body is relaxed and immobile, your breathing is faster and irregular, your eyes move rapidly, and you dream during this stage.
In summary, there are three stages of sleep: NREM, N1-N2-N3, and REM sleep. The first stage is NREM, which is divided into three stages. People gradually fall asleep during these stages. We begin to dream in REM sleep, the final stage. All of these stages are necessary for a restful night's sleep. Because a good night's sleep equals a good life.
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