REM, Non-REM and a few Quotes about Sleep
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Posted On :
Jan-29-2012
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561
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Sleeping is significant in maintaining health and fitness. Understanding of sleep cycles and its particular phases will most likely not answer all questions regarding the mystery of sleep. This, nonetheless, points out the process we go through whilst we lie resting on our own bedrooms.
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"Early to bed and early to rise, makes a man healthy, wealthy, and wise." This is certainly among the most well-known quotes about sleep. While folks recognize that sleeping is a crucial element of healthy living, there are things about sleeping that stay a mystery even to professionals.
Sleep is actually a natural state of rest distinct in members from the animal kingdom. Experts say, humans invest 1 / 3 of their life sleeping. It indicates we consume more hours resting on our beds over other activities.
REM and non-REM are some of the most interesting issues about sleeping. REM or rapid eye movement is the time period where dreaming takes place. The remaining portion of the sleep cycle is non-REM, which involves four important periods that can come in 90-110-minute cycles.
Scientists have various techniques for finding out sleep cycles. Electroencephalogram (EEG) is one example. This unique test measures the brain waves throughout sleep and looks at the several patterns in each and every level of non-REM sleep. Electromyogram (EMG), on the other hand, helps to discover the effects of every level in the muscles groups. Electrooculogram (EOG) helps measure eye movement throughout the time of REM sleep.
Through these types of tests, scientists were able to know more about sleeping. After many years of analysis, specialists discover that folks go through the following sleep cycles during sleep.
Stage 1. This is actually the time when you go to your bed. You could feel sleepy but it's still very easy to wake you up. Eye lids begin to flutter while heartrate and respiration will also begin to slow down. The hypnic jerk, referred to as myoclonic twitch, develops after 10 mins. This is the quick feeling of falling over due to natural muscle contraction taking place whilst moving into a semiconscious state.
Stage 2. This is when light sleep happens. Eye movements begin to slow down. You will feel energized when someone awakens you, just like when you take power naps during break time. This stage lasts for a few minutes.
Stage 3. This is actually the point when deep sleep starts. Your eyes and your body lay still, which means you are in a complete restful state. The brain also sets out to make delta waves. This sort of waves appear in high amplitude and slow patterns, completely different from the fast and irregular pattern while you are awake and conscious.
Stage 4. This is actually the final stage of non-REM sleep. This often lasts for 60 minutes. It is when you're "fast asleep" and hard to wake up. You might feel groggy and confused once you get up during Stage 4.
After reaching stage 4, you brain brings you back to Stage 2. You'll then enter another phase, which is the best portion of sleep cycles. You heart rate and breathing will increase, and there will be rapid eye movement (REM). They say once you get up during this period, you will likely remember your dream in great detail. Scientists are yet to find out why brain activity during this stage is nearly comparable to when you're awake and conscious.
You often pass through these sleep cycles three to five times every night. Completing these cycles helps in regaining enough energy for the next day.
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http://www.articleseen.com/Article_REM, Non-REM and a few Quotes about Sleep_140589.aspx
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Sleeping is significant in maintaining health and fitness. Understanding of sleep cycles and its particular phases will most likely not answer all questions regarding the mystery of sleep. This, nonetheless, points out the process we go through whilst we lie resting on our own bedrooms.
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Keywords :
quotes about sleep, sleep cycles,
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Arts and Entertainment
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