Sleep is a naturally occurring mental and physical condition characterized by altered awareness, somewhat suppressed sensory activity, reduced muscular activity and inhibition of practically all voluntary muscles during rapid eye movement, and diminished interactions with the environment.
WHY SLEEP IS IMPORTANT?
Sleep is a necessary function that helps your body and mind to replenish, allowing you to wake up feeling refreshed and alert. Healthy sleep also aids in the body’s wellness and illness prevention. The brain cannot operate correctly if it does not get adequate sleep. This might make it difficult to focus, think clearly, or remember things.
It’s also been proposed that continuous sleep deprivation might cause people to build a tolerance for it. Even if their minds and bodies are suffering as a result of their lack of sleep, they may be unaware of their shortcomings because less sleep appears to be normal to them. Sleep deprivation has also been related to an increased risk of certain illnesses and medical disorders.
DIFFERENT STAGES OF SLEEP
Our bodies go through four phases of sleep when we fall asleep. Non-rapid eye movement (NREM) sleep is the first three phases, while rapid eye movement (REM) sleep is the fourth and final stage.
Stage 1 NREM
This is the initial stage, which consists of light sleep and represents the transition between awake and sleep. Muscles relax, and your heart rate, breathing, and eye movements, as well as your brain waves, which are more active while you are awake, begin to calm down. Typically, the initial stage lasts a few minutes.
Stage 2 NREM:
This stage of NREM sleep is characterized by deeper slumber as your heart rate and respiration rates continue to drop down and your muscles relax. Your body temperature will drop and your eye movements will stop. Brain waves are also sluggish, except for a few transient bursts of higher frequency electrical activity. Stage 2 is usually the most restful of the four phases of sleep.
Stage 3 NREM:
This stage is critical for you to feel refreshed and awake the next day. The muscles are as relaxed as they will be, and the heartbeat, respiration, and brain wave activity are all at their lowest levels. This stage will begin with a larger length and gradually shorten during the night.
REM
Around 90 minutes after falling asleep, you will enter the first REM period. Your eyes will travel back and forth fast under your eyelids, as the term implies. The pace of breathing, heart rate, and blood pressure will start to rise. REM sleep is when you have the most vivid dreams, and your arms and legs go immobilized.
This is said to be done to keep you from physically acting out your fantasies. As the night passes, the length of each REM sleep cycle rises. Memory consolidation5, the process of transforming freshly learned experiences into long-term memories, has also been linked to REM sleep in several studies.
As you become older, the duration of the REM stage decreases, forcing you to spend more time in the NREM phases.
WHAT ARE SLEEP DISORDERS?
Sleep disorders are illnesses that cause you to modify the way you sleep. The asleep issue can harm your health, safety, and general quality of life. Sleep deprivation can impair your driving skill and put you at risk for additional health issues.
Different kinds of sleep disorders:
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- Insomnia
- Sleep Apnea
- Narcolepsy
- Restless Leg Syndrome (RLS)
- Parasomnias
- REM Sleep Behavior Disorder
- Non-24-Hour Sleep-Wake Disorder
- Excessive Sleepiness
- Shift Work Disorder
- Periodic Limb Movement Disorder
Signs that show you have a sleep disorder:
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- You have difficulty falling or staying asleep.
- It’s tough for you to stay awake during the day.
- Your circadian clock is out of whack, interfering with a regular sleep routine.
- You’re prone to odd actions that keep you up at night.
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THOUGHTS TO A SLEEP DISORDER PERSON
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- Every night, I should be able to sleep soundly like a normal person.
- Every night is the same, another night of restless anguish.
- If I don’t get any rest, I’ll perform poorly at work and risk losing my job.
- It’ll take at least an hour for me to fall asleep tonight. I’m sure of it.
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TREATMENT TO SLEEP DISORDER
A doctor’s analysis of a PSG scan takes 1.5-3 hours. By using the new methodology, between 6,000 and 12,000 medical hours might be freed up in Denmark’s Capital Region alone.
The Danish Center for Sleep Medicine at the Danish hospital Rigshospitalet has collaborated with researchers from the University of Copenhagen’s Department of Computer Science to develop an artificial intelligence algorithm diagnoses, therapies, and our general understanding of sleep disorders can all benefit from this research.
Admission to a sleep clinic is usually the first step in a sleep problem assessment. Various measurement tools are used to measure a person’s night sleep. The 7-8 hours of measures from the patient’s nocturnal sleep are then reviewed by a sleep problem specialist.
The doctor manually splits these 7-8 hours of sleep into 30-second periods, which must all be classified as REM (rapid eye movement) sleep, light sleep, deep sleep, and so on. It’s a time-consuming task that the algorithm can complete in a matter of seconds.
The experiment demonstrates that machine learning may be used to make measurements in a highly safe manner.
The researchers behind the program were able to assure optimal performance by collecting data from several sources. Across all, 20,000 nights of sleep were gathered and utilized to train the algorithm in the United States and several European nations.
This is a great achievement for the medical industry and treats sleep disorders.
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