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While much more research is needed to understand the mechanisms involved, it may be that the oxygen deprivation that occurs with sleep apnea can trigger hiccups. Sleep apnea is a condition where the throat becomes temporarily blocked, or the brain fails to signal the respiratory muscles during sleep. This leads to frequent periods during the night where breathing stops temporarily. The person often awakes with a loud snore or gasp. This abnormal breathing pattern may trigger hiccups
www.livestrong.com...
Exploding head syndrome is a rare and relatively undocumented parasomnia event in which the subject experiences a loud bang in their head similar to a bomb exploding, a gun going off, a clash of cymbals or any other form of loud, indecipherable noise that seems to originate from inside the head. Contrary to the name, exploding head syndrome has no elements of pain, swelling or any other physical trait associated with it. They may be perceived as having bright flashes of light accompanying them, or result in shortness of breath, though this is likely caused by the increased heart rate of the subject after experiencing it. It most often occurs just before deep sleep, and sometimes upon coming out of deep sleep.
What actually causes the sensation in individuals is still unknown, though speculation of possible sources includes minor seizures affecting the temporal lobe, or sudden shifts in middle ear components.
www.sleepassociation.org...
In the hypnagogic state, visions, voices, weird insights and unusual sensations greet us as we drift out of consciousness. Faces may appear, threatening or comical. A landscape may open up, with distant mountains and wide, expansive vistas. Geometric forms, jewels, diamonds and intricate patterns may dance before our mind’s eye, not unlike those seen under the influence of certain psychoactive substances. Splashes of colour, flares, sparks and cloud-like forms-known as ‘entoptic lights’, ‘phosphenes’ or eigenlicht, may drift through our drowsing consciousness, accompanied by strange, nonsensical sentences announcing portentous truths. We may feel we are floating, or that our body has grown to enormous proportions, or that we have suddenly grasped the answer to the riddle of the Universe.
www.forteantimes.com...
Transition to and from sleep may be attended by a wide variety of sensory experiences. These can occur in any modality, individually or combined, and range from the vague and barely perceptible to vivid hallucinations.
en.wikipedia.org...
Although there are several potential causes of hypnagogic hallucinations, most of them are speculative, based upon what medical science knows about the neurology of the brain. Studies to date have revealed that individuals who experience hypnagogia also frequently suffer with narcolepsy, sleep paralysis, or a type of anxiety disorder. Many people experience one or more hypnagogic hallucinations without ever being sure why. Anxiety, however, may play a role in disrupting the normal neural activity during the period that an individual is falling asleep, predisposing him to a hynagogic experience.
www.helium.com...
Hypnic jerks are myoclonus twitches, or involuntary muscle spasms, but sleep starts occur during hypnagogia, the stage when the body is falling asleep.
Movement plays a role in sleep — involuntary twitches commonly take place during rapid eye movement (REM) sleep, but these jolts occur with dreams whereas hypnic jerks occur before the body can dream.
While the cause remains unknown and little research is done on hypnic jerks (they are considered harmless and normal and are often too fleeting for observation)
bodyodd.nbcnews.com...
People with restless legs syndrome have uncomfortable sensations in their legs (and sometimes arms or other parts of the body) and an irresistible urge to move their legs to relieve the sensations. The sensations are difficult to describe: they are an uncomfortable, "itchy," "pins and needles," or "creepy crawly" feeling in the legs. The sensations are usually worse at rest, especially when lying or sitting. The sensations can lead to sleep deprivation and stress.
In most cases, doctors do not know the cause of restless leg syndrome; however, they suspect that genes play a role. About half of people with RLS also have a family member with the condition.
www.webmd.com...
A frequent need to get up and go to the bathroom to urinate at night is called nocturia. It differs from enuresis, or bed-wetting, in which the person does not arouse from sleep, but the bladder empties anyway. Nocturia is a common cause of sleep loss
Until recently, nocturia was thought to be caused by a full bladder, but it is also a symptom of obstructive sleep apnea. According to Michael J. Thorpy, MD, and Jan Yager, PhD…relief of the obstructive sleep apnea syndrome will alleviate the nocturia.
www.sleepfoundation.org...
A night terror, also known as sleep terror or pavor nocturnus, is a parasomnia sleep disorder characterized by extreme terror and a temporary inability to regain full consciousness. The subject wakes abruptly from the fourth stage of sleep, with waking usually accompanied by gasping, moaning, or screaming. It is often impossible to fully awaken the person, and after the episode the subject normally settles back to sleep without waking.
www.sciencedaily.com...
Sleep paralysis is a feeling of being conscious but unable to move. It occurs when a person passes between stages of wakefulness and sleep. During these transitions, you may be unable to move or speak for a few seconds up to a few minutes. Some people may also feel pressure or a sense of choking. Sleep paralysis may accompany other sleep disorders such as narcolepsy.
Sleep researchers conclude that, in most cases, sleep paralysis is simply a sign that your body is not moving smoothly through the stages of sleep. Rarely is sleep paralysis linked to deep underlying psychiatric problems.
Over the centuries, symptoms of sleep paralysis have been described in many ways and often attributed to an "evil" presence: unseen night demons in ancient times, the old hag in Shakespeare's Romeo and Juliet, and alien abductors. Almost every culture throughout history has had stories of shadowy evil creatures that terrify helpless humans at night. People have long sought explanations for this mysterious sleep-time paralysis and the accompanying feelings of terror.
www.webmd.com...
researchers used drugs to "switch off" these receptors in rats and discovered that the only way to prevent sleep paralysis during REM was to shut both types off at the same time. What that means is that glycine alone isn't enough to paralyze the muscles. You need GABA, too.
www.livescience.com...
For most people, dreams are purely a "mental" activity: they occur in the mind while the body is at rest. But people who suffer from REM behavior disorder (RBD) act out their dreams. They physically move limbs or even get up and engage in activities associated with waking. Some talk, shout, scream, hit, punch, or fly out of bed while sleeping!
Studies of animals may explain REM behavior disorder. Animals who have suffered lesions in the brain stem have exhibited symptoms similar to RBD. Cats with lesions affecting the part of the brain stem that involves the inhibition of locomotor activity will have motor activity during REM sleep: they will arch their backs, hiss and bare their teeth for no reason, while their brain waves register normal REM sleep.
www.sleepfoundation.org...
More people are reporting sending text messages during their sleep, says Dr Kirstie Anderson…"It is very common for people to do things in their sleep that they do repeatedly during the day," says Anderson. This is largely down to sleep disorders called parasomnias. These are unwanted behaviours that occur during sleep. They can be as small as opening your eyes while asleep or, at the very extreme end, driving a car while sleeping. Anderson has even treated someone who carefully dismantled grandfather clocks while asleep.
www.bbc.co.uk...
Often snacking in your sleep is not a big problem, but in more extreme cases it is classed as Nocturnal Eating Syndrome (NES). Again, increased awareness of the sleep disorder means more people are being referred to sleep clinics with it.
www.bbc.co.uk...
Sexsomnia, a condition where people have sex in their sleep, has only really been brought to the public's attention in recent years. As yet very little research has been done into it, say sleep experts, but more cases are being reported.
It can become more frequent during times of stress or under the influence of alcohol or drugs and ranges from minor behaviour to full sexual intercourse, in some cases with serious consequences.
sexsomnia is a parasomnia. It is most likely to occur in the "deep sleep" stage when the thinking and awareness part of the brain is switched off but not the part of the brain responsible for basic urges like having sex.
www.bbc.co.uk...
When a person's biological clock gets out of sync with accepted norms, sleep disorders arise. In delayed sleep phase insomnia, the person falls asleep and awakens later than required for normal activities such as work and school.
health.howstuffworks.com...
This condition, in which the person's biological clock shifts to earlier hours—typically falling asleep before 9 p.m. and awakening between 3 and 5 a.m. and failing to return to sleep.
health.howstuffworks.com...
In this condition, the person's biological clock is 25 hours or longer, meaning that sleep and wake times are continually getting later.
health.howstuffworks.com...
Kleine-Levin Syndrome (KLS) is a rare and complex neurological disorder characterized by periods of excessive amounts of sleep and altered behavior. The disorder strikes adolescents primarily. At the onset of an episode the patient becomes progressively drowsy and sleeps for most of the day and night (hypersomnolence), waking only to eat or go to the bathroom. When awake, the patient’s whole demeanor is changed, often appearing “spacey” or childlike. When awake he experiences confusion, disorientation, complete lack of energy (lethargy), and lack of emotions (apathy). Most patients report that everything seems out of focus, and that they are hypersensitive to noise and light.
The mean diagnostic delay for proper KLS diagnosis is four years, causing undue suffering to patients and families. The cause of Kleine-Levin Syndrome is not known.
klsfoundation.org...
While some researchers speculate that there may be a hereditary predisposition, others believe the condition may be the result of an autoimmune disorder.[8] Both proposals need not be mutually exclusive with the result being a malfunction of the portion of the brain that helps to regulate functions such as sleep, appetite, and body temperature (hypothalamus).[9] Recent studies also suggest that there may be a link to a deficiency of dopamine transporter density in the lower striatum.[10]
en.wikipedia.org...
Insomnia is a disorder that can make it hard to fall asleep, hard to stay asleep, or both. With insomnia, you usually awaken feeling unrefreshed, which takes a toll on your ability to function during the day. Insomnia can sap not only your energy level and mood but also your health, work performance and quality of life.
www.mayoclinic.com...
Common causes of insomnia include:
• Stress
• Anxiety
• Depression
• Medications
• Caffeine, nicotine, and alcohol
• Medical conditions
• Change in your environment or work schedule
• Poor sleep habits
www.mayoclinic.com...=causes
• Decreased Performance and Alertness: Sleep deprivation induces significant reductions in performance and alertness. Reducing your nighttime sleep by as little as one and a half hours for just one night could result in a reduction of daytime alertness by as much as 32%.
• Memory and Cognitive Impairment: Decreased alertness and excessive daytime sleepiness impair your memory and your cognitive ability -- your ability to think and process information.
• Stress Relationships: Disruption of a bed partner's sleep due to a sleep disorder may cause significant problems for the relationship (for example, separate bedrooms, conflicts, moodiness, etc.).
• Poor Quality of Life: You might, for example, be unable to participate in certain activities that require sustained attention, like going to the movies, seeing your child in a school play, or watching a favorite TV show.
• Occupational Injury: Excessive sleepiness also contributes to a greater than twofold higher risk of sustaining an occupational injury.
• Automobile Injury: The National Highway Traffic Safety Administration (NHTSA) estimates conservatively that each year drowsy driving is responsible for at least 100,000 automobile crashes, 71,000 injuries, and 1,550 fatalities.
The good news for many of the disorders that cause sleep deprivation is that after risk assessment, education, and treatment, memory and cognitive deficits improve and the number of injuries decreases.
In the long term, the clinical consequences of untreated sleep disorders are large indeed. They are associated with numerous, serious medical illnesses, including:
• High blood pressure
• Heart attack
• Heart failure
• Stroke
• Obesity
• Psychiatric problems, including depression and other mood disorders
• Attention Deficit Disorder (ADD)
• Mental impairment
• Fetal and childhood growth retardation
• Injury from accidents
• Disruption of bed partner's sleep quality
• Poor quality of life
www.webmd.com...
Sleep hygiene is a variety of different practices that are necessary to have normal, quality nighttime sleep and full daytime alertness.
good sleep hygiene practices include:
• Avoid napping during the day; it can disturb the normal pattern of sleep and wakefulness.
• Avoid stimulants such as caffeine, nicotine, and alcohol too close to bedtime. While alcohol is well known to speed the onset of sleep, it disrupts sleep in the second half as the body begins to metabolize the alcohol, causing arousal.
• Exercise can promote good sleep. Vigorous exercise should be taken in the morning or late afternoon. A relaxing exercise, like yoga, can be done before bed to help initiate a restful night's sleep.
• Food can be disruptive right before sleep; stay away from large meals close to bedtime. Also dietary changes can cause sleep problems, if someone is struggling with a sleep problem, it's not a good time to start experimenting with spicy dishes. And, remember, chocolate has caffeine.
• Ensure adequate exposure to natural light. This is particularly important for older people who may not venture outside as frequently as children and adults. Light exposure helps maintain a healthy sleep-wake cycle.
• Establish a regular relaxing bedtime routine. Try to avoid emotionally upsetting conversations and activities before trying to go to sleep. Don't dwell on, or bring your problems to bed.
• Associate your bed with sleep. It's not a good idea to use your bed to watch TV, listen to the radio, or read.
• Make sure that the sleep environment is pleasant and relaxing. The bed should be comfortable, the room should not be too hot or cold, or too bright.
www.sleepfoundation.org...
Do you hear a ringing, roaring, clicking or hissing sound in your ears? Do you hear this sound often or all the time? Does the sound bother you? If you answer is yes, you might have tinnitus.
Millions of people in the U.S. have tinnitus. People with severe tinnitus may have trouble hearing, working or even sleeping. Causes of tinnitus include hearing loss, exposure to loud noises or medicines you may be taking for a different problem. Tinnitus may also be a symptom of other health problems, such as allergies, high or low blood pressure, tumors and problems in the heart, blood vessels, jaw and neck.
Treatment depends on the cause. Treatments may include hearing aids, sound-masking devices, medicines and ways to learn how to cope with the noise.
Originally posted by Casualboy100
How come when im sleeping and when i wake up really fast and i feel the shocks of electricity throughout my body? IT feels very uncomfortable.
And how come when i'm laying down for a long time and when i get up my head feels like it hasn't realized i was getting up and i feel tons of pressur in my head like my brain is moving