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Approximately 70 million people in the United States are affected by a sleep problem. About 40 million Americans suffer from a chronic sleep disorders, and an additional 20-30 million are affected by intermittent sleep-related problems. However, an overwhelming majority of sleep disorders remain undiagnosed and untreated (National Commission on Sleep Disorders Research, 1992).
During sleep, we usually pass through five phases of sleep: stages 1, 2, 3, 4, and REM (rapid eye movement) sleep. These stages progress in a cycle from stage 1 to REM sleep, then the cycle starts over again with stage 1 (see figure 1 ). We spend almost 50 percent of our total sleep time in stage 2 sleep, about 20 percent in REM sleep, and the remaining 30 percent in the other stages. Infants, by contrast, spend about half of their sleep time in REM sleep.
When we switch into REM sleep, our breathing becomes more rapid, irregular, and shallow, our eyes jerk rapidly in various directions, and our limb muscles become temporarily paralyzed. Our heart rate increases, our blood pressure rises, and males develop penile erections. When people awaken during REM sleep, they often describe bizarre and illogical tales – dreams.
The first REM sleep period usually occurs about 70 to 90 minutes after we fall asleep. A complete sleep cycle takes 90 to 110 minutes on average. The first sleep cycles each night contain relatively short REM periods and long periods of deep sleep. As the night progresses, REM sleep periods increase in length while deep sleep decreases. By morning, people spend nearly all their sleep time in stages 1, 2, and REM.
People awakened after sleeping more than a few minutes are usually unable to recall the last few minutes before they fell asleep. This sleep-related form of amnesia is the reason people often forget telephone calls or conversations they've had in the middle of the night. It also explains why we often do not remember our alarms ringing in the morning if we go right back to sleep after turning them off.
* Bruxism: Involuntarily grinding or clenching of the teeth while sleeping
* Delayed sleep phase syndrome (DSPS): inability to awaken and fall asleep at socially acceptable times but no problem with sleep maintenance, a disorder of circadian rhythms. Other such disorders are advanced sleep phase syndrome (ASPS) and Non-24-hour sleep-wake syndrome (Non-24), both much less common than DSPS.
* Hypopnea syndrome: Abnormally shallow breathing or slow respiratory rate while sleeping
* Narcolepsy: Excessive daytime sleepiness, often culminating in falling asleep spontaneously and unwillingly at inappropriate times. Cataplexy, a sudden weakness in the motor muscles that could result in collapse to the floor is also common.
* Night terror, Pavor nocturnus, sleep terror disorder: abrupt awakening from sleep with behavior consistent with terror
* Parasomnias: Disruptive sleep-related events involving inappropriate actions during sleep stages - sleep walking and night-terrors are examples.
* Periodic limb movement disorder (PLMD): Sudden involuntary movement of arms and/or legs during sleep, for example kicking the legs. Also known as nocturnal myoclonus. See also Hypnic jerk, which is not a disorder.
* Rapid eye movement behavior disorder (RBD): Acting out violent or dramatic dreams while in REM sleep
* Restless legs syndrome (RLS): An irresistible urge to move legs. RLS sufferers often also have PLMD.
* Situational circadian rhythm sleep disorders: shift work sleep disorder (SWSD) and jet lag
* Obstructive sleep apnea: Obstruction of the airway during sleep, causing lack of sufficient deep sleep; often accompanied by snoring. Central sleep apnea is less common.
* Sleep paralysis is characterized by temporary paralysis of the body shortly before or after sleep. Sleep paralysis may be accompanied by visual, auditory or tactile hallucinations. Not a disorder unless severe. Often seen as part of Narcolepsy.
* Sleepwalking or somnambulism: Engaging in activities that are normally associated with wakefulness (such as eating or dressing), which may include walking, without the conscious knowledge of the subject
I've had plenty of incidents of sleep paralysis which were all scary. My first experience was when I had 'awoke' at around 2am to a noise. I saw a figure in my doorway staring at me. When my eyes adjusted to the darkness it was a man who I had never seen before. This man had a face which I clearly understood as he was here to kill me. The man took one step closer. Overcome with fear I began to scream. Only thing is nothing came out. I felt my self swallowing, my tongue moving and mouth moving but still no sounds came out. It was like I couldn't even breathe. At that instantly I snapped out of it. I find myself sitting up in my bed, sweaty. I quickly run to the lights and no one is there.
Before Thomas Edison's invention of the light bulb, people slept an average of 10 hours a night; today Americans average 6.9 hours of sleep on weeknights and 7.5 hours per night on weekends (2002 Sleep in America poll).
Remember the Atkins diet which was very popular a few years back? The reason it was popular was because it worked well. Many people lost weight on the Atkins diet which urged it's followers to eat plenty of meat and other protein foods as well as foods high in fat like fried eggs and sausages. On the banned list were bread, pasta and other carbohydrates.
What's all this got to do with sleep? It turned out that some people on the Atkins diet found they were having trouble sleeping at night even if they'd never previously had sleep problems. This is because their carbohydrates were so restricted, they developed a condition called "Serotonin Deficiency Syndrome"
Serotonin is a neurotransmitter formed by the body from eating foods containing the amino acid tryptophan. Tryptophan is found mainly in carbohydrate rich foods like rice, pasta and bread. If your diet is too low in carbohydrates you will probably be low in serotonin.
Foods for insomnia that contain serotonin include dairy products such as cottage cheese, cheese and milk, soy products, seafood, poultry, whole grains, beans, rice, hummus, lentils, hazelnuts, peanuts, eggs, sesame and sunflower seeds.
Foods that keep us awake contain tyramine. Tyramine is an amino acid that causes the release of a brain stimulant called norepinephrine, that can keep us wired all night long. Tyramine foods include ham, bacon, sausages, cheese, aubergines, tomatoes, red wine, peppers, smoked meats, fish and, (unfortunately), chocolate.
I experience sleep paralysis as I am attempting to fall asleep and I never know when it will strike. Every night as I crawl into bed I have anxiety wondering if I'll experience sleep paralysis. Worrying about having sleep paralysis has become as much of a sleeping disorder as the sleep paralysis itself. It's a vicious cycle.
Originally posted by Ign0rant
reply to post by asmeone2
Yeah A, I have been told that I sleep walk as well. Luckily you didn't have to experience episodes of sleep paralysis. It is truly frightening. How do you manage it?
-Ign0RanT
Originally posted by Ign0rant
reply to post by asmeone2
It seems I did sorry about that. Any idea what you sleep talk about? I will be recording myself tonight to ease my curiosity.
-Ign0RanT
Originally posted by Ign0rant
reply to post by greeneyedleo
Yeah, you just perfectly explained Insomnia. I struggle with the same things some nights. It's really hard to function in the daytime with this. I always put on soft music to ease my mind into sleep.
Delayed sleep-phase syndrome (DSPS), also known as delayed sleep-phase disorder (DSPD) or delayed sleep-phase type (DSPT), is a circadian rhythm sleep disorder, a chronic disorder of the timing of sleep, peak period of alertness, core body temperature, hormonal and other daily rhythms relative to the usual norms. People with DSPS tend to fall asleep some hours after midnight and have difficulty waking up in the morning.
Insomnia is a symptom[1] of a sleeping disorder characterized by persistent difficulty falling asleep or staying asleep despite the opportunity. It is typically followed by functional impairment while awake. Insomniacs have been known to complain about being unable to close their eyes or "rest their mind" for more than a few minutes at a time
Originally posted by Ign0rant
reply to post by Akherousia
Well you are somewhat correct but I am no expert either. DSPS is Delayed sleep phase syndrome.
Delayed sleep-phase syndrome (DSPS), also known as delayed sleep-phase disorder (DSPD) or delayed sleep-phase type (DSPT), is a circadian rhythm sleep disorder, a chronic disorder of the timing of sleep, peak period of alertness, core body temperature, hormonal and other daily rhythms relative to the usual norms. People with DSPS tend to fall asleep some hours after midnight and have difficulty waking up in the morning.
So DSPS is diagnosed for people who are unable to sleep to do an impairment in the circadian rhythm. They although go to sleep during the right time every day it would be just much later then others.
Insomnia deals with lack of sleep due for people who cannot to seem to ease their mind. The imbalance causes what seems like a 'racy-like' syndrome in the minds of the people affected.
Insomnia is a symptom[1] of a sleeping disorder characterized by persistent difficulty falling asleep or staying asleep despite the opportunity. It is typically followed by functional impairment while awake. Insomniacs have been known to complain about being unable to close their eyes or "rest their mind" for more than a few minutes at a time
The lines between both disorders too aren't thick. I am pretty sure symptoms for one would be diagnosed as the other.
-Ign0RanT