Rem-sleep Sentence Examples
New babies have extremely short sleep cycles, or periods of deep, light and REM sleep.
Throughout the night, the cycles of REM sleep get longer and the sleep gets deeper.
The importance of REM sleep is essential to cognitive processing.
Generally the theory is that the relaxed mind during REM sleep has the opportunity to process memories and feelings about experiences from when the dreamer was awake.
Dream research continues to fine tune the previous theories as scientists uncover more and more about the brain's functions during REM sleep and as scientific measuring equipment improves.Advertisement
By the end of the night, you are getting more REM sleep than at the beginning of the night.
Sleep quality is dependent on the amount of time an individual spends in REM sleep.
If you suffer from a sleep disorder, the quality of sleep is minimized due to the less time spent in REM sleep.
The rapid eye movement is a reliable indicator of REM sleep.
An exception to this rule is with some people who have experienced brain injuries and are no longer capable of REM sleep because of the damage to the brain.Advertisement
People are more likely to remember details from their dreams occurring during the REM stage and are also less likely to move while in REM sleep.
A person who does not encounter this sleep paralysis - or who only encounters it intermittently - may have an REM sleep disorder.
Interestingly enough, this portion of the sleep cycle was not even discovered until the 1950s, so much research still needs to be done to fully understand not only when REM sleep occurs but also why it occurs.
Interestingly, PLMS affects up to 34 percent of people over 60 and is commonly found in people who have other sleep disorders like narcolepsy, restless leg syndrome, or REM sleep behavior disorder.
Since the brain is unable to get REM sleep in people with sleep apnea, they remain tired throughout the day.Advertisement
It is hard to emphasize one stage over another, but sleep disorders often prevent you from achieving deep sleep and the subsequent REM sleep.
The importance of REM sleep is that this is the sleep stage where dreaming occurs.
While scientists continue to study the full range of mental processes that take place during REM sleep, it is accepted that lack of REM sleep can lead to focus and concentration problems.
One argument for this result is the lack of time spent in REM sleep.
Despite the mystery still associated with sleep, disrupted sleep one night will lead to more REM sleep the following night as the body tries to catch up.Advertisement
The fact that the body will strive to play catch up on this stage of sleep indicates the importance of REM sleep beyond the need for dreams.
Thanks in part to television programs and pop psychologists, many people believe that a lack of REM sleep can lead to death.
While it is true that sleep deprivation can lead to physical and mental health problems, it is the cumulative effect of not sleeping, not just the lack of REM sleep.
Some people worry that if they do not remember dreaming, that they didn't achieve REM sleep.
Remembering a dream is not evidence of REM sleep.Advertisement
Nightmares typically take a little time to experience; so, they generally occur during early morning hours when REM sleep is the longest.
You might even have a slight feeling of dreaming even though you're not in REM sleep.
Sleepwalking usually happens in the first few stages of deeper sleep, but not during REM sleep.
Normally when people fall asleep, they experience 80 to 100 minutes of non-REM sleep, which is then followed by about 20 minutes of REM sleep.
People with narcolepsy, however, enter REM sleep immediately.
In addition, REM sleep occurs inappropriately throughout the day in patients with narcolepsy.
In a few cases, the first signs of narcolepsy are triggered by traumatic damage to the part of the brain that governs REM sleep or from a rapidly growing tumor that puts pressure on this region of the brain.
A multiple sleep latency test, which measures sleep latency (onset) and how quickly REM sleep occurs, may also be used.
Antidepressants are also often effective in treating symptoms of abnormal REM sleep.
The test also measures the amount of REM sleep that occurs.
Two or more episodes of REM sleep under these conditions indicates narcolepsy.
Rapid eye movement (REM) latency-The amount of time it takes for the first onset of REM sleep after a person falls asleep.
During REM sleep the body is nearly paralyzed, a condition called "atonic," that serves to inhibit the dreamer from physical movement during active dreaming.
Brain-wave monitoring of REM sleep with an electroencephalograph (EEG) reveals a low-voltage, fast-frequency, non-alpha wave record.
Beyond infancy, REM sleep comprises 20-25 percent of the entire sleep period.
In this hypothesis, the human brain strays from the regular transition into unconsciousness combined with physical paralysis into sleep and then into deep REM sleep.
In the sleep cycles there are two main stages, non-REM sleep and REM sleep.
Dreams are caused by a combination of thoughts, images and impressions passed through the mind during REM sleep.
What distinguishes REM sleep from NREM sleep?