S UDDEN U NEXPECTED N OCTURNAL D EATH S YNDROME




Since 1977 more than a hundred Southeast Asian immigrants in the United States have died from the mysterious disorder known as sudden unexpected nocturnal death syndrome (SUNDS). SUNDS had an unusually high incidence among recently relocated Laotian Hmong refugees. All but one of the victims were men, the median age was thirty-three, all were apparently healthy, and all died during their sleep. Despite numerous studies of SUNDS, which have taken into account such varied factors as toxicology, heart disease, sleep apnea and other sleep disorders, genetics, metabolism, and nutrition, medical scientists have not been able to determine its exact cause. Medical opinion appears to favor an impairment of the electrical pathways and specialized muscle fibers that contract the heart. It is widely held, however, that some type of intense stressor is likely an additional risk factor.

The medical folklorist Shelley Adler postulates that a supernormal nocturnal experience that is part of Hmong traditional beliefs can trigger the fatal syndrome. The experience is referred to as a "night-mare," not in the modern sense of a bad dream, but rather in its original denotation as the nocturnal visit of an evil being that threatens to press the very life out of its terrified victim. Hmong refugees in the United States experience a culture-specific manifestation of the universal nightmare phenomenon. The Hmong Nightmare (known as dab tsog ) causes cataclysmic psychological stress, which can trigger sudden death. Although the Dab Tsog attack in Laos is related to the worldwide nightmare tradition, the peculiar stresses of Hmong refugee experience transformed its outcome. The power of traditional belief in the nightmare—in the context of the trauma of war, migration, rapid acculturation, and inability to practice traditional healing and ritual—causes cataclysmic psychological stress to male Hmong refugees that can result in SUNDS.

See also: C AUSES OF D EATH

Bibliography

Adler, Shelley R. "Ethnomedical Pathogenesis and Hmong Immigrants' Sudden Nocturnal Deaths." Culture, Medicine and Psychiatry 18 (1994):23–59.

Hufford, David J. The Terror That Comes in the Night. Philadelphia: University of Pennsylvania Press, 1982.

Parrish, R. Gibson, Myra Tucker, Roy Ing, Carol Encarnacion, and Mark Eberhardt. "Sudden Unexplained Death Syndrome in Southeast Asian Refugees: A Review of CDC Surveillance." Morbidity and Mortality Weekly Review 36 (1987):43–53.

SHELLEY R. ADLER

User Contributions:

Sherie
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Jan 23, 2007 @ 12:00 am
Can SUND be related to sleep paralysis? A lot of the folklores that I've heard about the "Dab Tsog" it seems to have similiar symptoms as SP. People who claimed to have experienced it said it was like they were awake but could not move their bodies no matter how much they tell themselves too. I accidently stumbled upon this site.. and it got me interested. My mother told me that one of her brother died suddenly in his sleep after they moved to the USA after the Vietnam War. Doctors could not figure out why. He was a healthy man in his 30's, whom was a Dentist back in Laos.
kalvin
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Jan 28, 2008 @ 12:00 am
talking about SUNDS. Here in the Philippines, we call it "OROM". many of us here experienced that and we found ways to wake up. SUNDS is like, you are very conscious of what is going on around you. you can here your relatives passing by, youre eyes are closed but you can move your eyeballs and the more you strugle, the lesser the chance of walking up again. when we experience this sunds, there are there parts that we know that we can move. our hands, thumbs of our feet and our mouth. we either move our toe or grasp our hands if its not enough, we bite our tounge. usually people here experience sunds when they are very tired and sleep. a study has been made about rice. it may be another factor because asians eat rice and many say that sunds were only experienced by asian people. hope this little info can help.
Josh
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Feb 10, 2009 @ 7:19 pm
I have this and until now thought I was the only one. I am white, healthy and 22 years old. It has been an embarassing thing top talk about, people may think that your talking about alien encounters or something. I have had the dream twice, it doesn't seem like a dream at all, in fact it is very real. I felt and saw a very strong spirit terrify me and put his hand over my mouth, and feeling like he was trying to take my soul. My soul fights back and I win. But I am constantly worried about the next time it comes. Sometimes even afraid to fall asleep. I do not want to die this way, is there any cure??
Mimi
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Mar 1, 2009 @ 4:16 pm
Hello. I live in Los Angeles, CA, Afro-American, female and I started experiencing similiar things like SUNDS when I was around 33 yrs. old or younger. Now at 42 yrs. old, I still experience this. Whenever I sleep in complete darkness with everything off in my room. I experience something on my chest like a little being. I am conscious but can only move my eyes, my fingers and toes. When I scream, nobody hears me. And I always wakeup before I'm out of breathe. Like something sucking everything out of you while you look at it helplessly. I can never tell what it looks like, because I alway wakeup. Thanks to Spike TV running a show called " How Many Ways You Can Die", I would have never known about SUNDS. HELP! Can this be fixed? That's my question?
Hope this Helps
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Mar 9, 2009 @ 12:00 am
Wow I wouldn't have known what my condition was until I watched 1000 ways to die the other week on the spike channel. I must admit I am a little tripped out you always think your the only one who has the experience but am glad only to find out a name of the condition that has plaqued me sense early childhood. This might seem crazy but when this happens to me I am totally conscious in my sleep but yet not awake I fell myself stop breathing and no matter how hard I try I cannot breathe I'm totally paralyzed! Even talking to myself telling me to breathe doesn't seem to help. But as soon as I say in my mind one of the two words God and or Jesus. Then as if like a miracle I can breathe again. Many cultures seem to have this phenomenom I have talked to one another person who has this condtion and says god or Jesus worked as well. My ex boyfriend who was Mexician sayed they called "Diablo sleeping on your chest". I'm blessed I'm still here I must have a purpose. For anyone reading this I pray this helps. God Bless
Kathy
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Apr 7, 2009 @ 10:22 pm
I am 21, chinese american and I have the similar experience. I do not know if it is SUND but i have experienced a reoccurring dream for the past 3 years in which, i dreamt about a ghost (kinda like the girl from the Ring) coming towards me and then my whole body would begin to shake uncontrollably. I would feel that my body is undergoing a black out while i am sleeping. I would also see stars. I screamed but no sound came out. are there cures?
Trista
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Jul 26, 2009 @ 9:21 pm
I am a white female...twenty-seven years old......i've experienced this feeling numerous times since i was a teenager.
It's horrible thinking that you're not alone in your dark bedroom, but then not to be able to move or fight back is even worse. People think you're nuts or tell you that you just had a bad dream, but it's so much more than that!
Debby
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Aug 8, 2009 @ 1:01 am
Something similar happened to me for many years. I assumed it was some flashback from the hippy years. I still believe I was awake and see something or someone walking into my room. There is a glow within the object and at times persons. A sense of terror grips me as I follow them to my side of the bed. But I could move and would even throw up my hands to ward off the oncoming attack. I never felt the actual presence of their hands on my throat or the knife that was about to strike my chest or body. Sometimes it wasn't a being but an object that floats into the room but the terror is there as I watch and can't believe what my eyes are seeing. My eyes were open at the time I would "come out" of the "vision" with my heart pumping. I still don't think I was asleep when this would begin -To this day I have believed I wasn't asleep at all. Finally I spoke to a minister who suggested calling on the name of Jesus (my savior) which I started doing. It happened for a few more months but finally stopped. Its probably been 5yrs or more since I had a "vision" Thank the Lord - literally!
ger
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Aug 24, 2009 @ 3:03 am
Very interesting article on SUNDS. I am a Hmong male, 25 years old, and I have had my fair share of this "dab tsog." One way that I have learn to prevent "dab tsog" from occuring is to not let myself sleep facing upwards (front body facing the celings). Majority of the time, if not all, "dab tsog" occurs when one is sleeping faced upward. In our culture, it's not a wise thing to do because facing upward while sleeping actually resembles that you're dead (the dead lays facing upward) and it allows evil sprits to try and take your soul. It may sound superstious but it's true in our culture.
However, "dab tsog" only occurs while one is dreaming. In each of my experience, what I normally see (in dream) before being paralyze is a black figure. And by the time I know it, I'm already trying to get myself free from the paralyzation. No matter how much I scream, no one could hear me, no matter how much I try to move, I couldn't. Sometimes, it happens so often that when I see this figure (in dream), I already know what's up (kind of like O'shit, brace for impact).
Another thing, family members who have a Hmong Shaman or a Xwm Kab (majority of Hmong family has this, unless they go to church) in their household are more likely to experience "dab tsog." That is because as a Shaman, their Thaj Neeb (Shaman altar) is like a gateway between the dead and the living, allowing the Shaman to trance into the spirit world. However, by having such an altar, it also allows spirits (good and bad) to enter the world of the living. The Xwm Kab is simialr to a Hmong Shaman's Thaj Neeb, but ment for household without a Shaman present (living there).
I can almost gurantee that all the Hmong men who died of SUNDS had either a Thaj Neeb or Xwm Kab present in their home.
Only people who understand our culture will truely understand what I'm talking about.
Suzette Arenas
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Dec 30, 2009 @ 3:15 pm
I'm not sure If this is SUNDS, but since I was a little girl I would have these bad nightmares I would call them..where I could not wake up from my sleep..It was like if I was awake and aware but I could not come out of it. I would try screaming and struggle to wake up and then finally I would come out of it completely scared not wanting to go back to sleep. These kind of nightmares would happen off and on through out my years...I'm now 38 and I still have them once in a great while. However, I had an unusual nightmare unlike the ones I had growing up. I could see the devil near me trying to take me and I was struggling to wake up and I was scared..I managed to wake up as if I was fighting to wake up. Once I did I got up out of bed and got my daughter and put her on the bed with me. My husband works nights and he was working at the time and my son is usually out with his friends..Please help advise me if you would consider this as SUNDS..Thanks A Bunch!!
Bungle
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Dec 30, 2009 @ 9:21 pm
I had this happen multiple times when I was a child. The worst time was what I associated with a witch (I assume now it was just a female being). I was held down and could not move or scream. I could hear my family in the house but I had no way to tell them to come and wake me up. By the way, this was during the day. I only saw the being in the beginning of this dream and then the rest was just feeling held down with no way to wake myself up. As a child I had discovered I could always wake myself when I knew I was having a nightmare by just opening my eyes. The thing that was so terrifying here was, they were already open.

Twenty something years later, I have yet to have it happen again. Or so bad that I'd never forget it. As someone else mentioned, I try to never sleep on my back. Just like that movie Cats Eye. Little troll demon will come, sit on your chest and suck your breath out.

I also learned about this from the show 1,000 ways to die. Crazy to read other peoples stories and see that we're all affected the same way.
HmoobMuas
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Dec 31, 2009 @ 4:16 pm
I too am a Hmong male of 29 years old. I have three other brothers all within the same age range and we all at one point have experienced SUNDS. I have been attacked by it the most and still do til this present day. My brothers haven't had it in years, lucky them. I get it so often now that I know when it is coming. I will often wake up before it attacks and pace about the room. As I go back to bed, I can feel its presence waiting for me when I sleep. Whatever this feeling is, it tires me considerably and eventually I'll fall into its grasp. There are times when I don't wake up quickly enough and am trapped. I see this black figure on my chest as I try to breathe in, it will breathe into my mouth preventing me to intake any oxygen. I find myself gasping for whatever little oxygen I can. Usually at this point, I will tell myself that I must wake up. If I do not, I will surely die. I will struggle with every ounce of my body until it releases me. Whether I was able to break out or it released me on its own free-will, I will never know. I always end up gasping for air as I wake. Terrifying experience that I pray no one has to endure.

Funny enough I was told on some tarot card readings that my death will be; suffocation. SCARY!!
babajoe
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Jan 26, 2010 @ 8:08 am
SUNDS stands for Sudden Unexplained Nocturnal Death Syndrome. This means that you have to die from it for it to be considered SUNDS; as such, most of you have probably not experienced SUNDS. What you guys are describing is sleep paralysis, SUNDS is most likely an extreme case of sleep paralysis, though this has not been extensively confirmed. From what I've read, sleep paralysis is very common, but if you've experienced it several times, then it may be considered a sleep disorder and usually considered to be a genetic disorder. Fear apparently makes it worse. I've had these experiences myself for quite a while now and have kinda gotten used to them. They usually cause little pain or fear anymore, until recently. Last night, I felt my heart beating heavily during an episode and one time my left chest seemed to start vibrating like hell. Reading that death from SUNDS is due to heart failure sure doesn't matters.
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Feb 3, 2010 @ 2:14 pm
Did anyone notice how all were men but one? Did anyone else think at all that maybe the Americans just made this up because they wanted no immigrants in there country? This was supposedly in the late seventies. like i am only 17 but you don't have to be a genius to make the connection.
Please reply...
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May 30, 2010 @ 9:21 pm
I've always had sleeping problems as a kid. I actually didn't sleep by
myself until I was 8. The only way I was able to cope with that
change was to wrap a blanket around my whole body and leave my
mouth out to breath. I would still wake up mulitple times throughout
the night, sometimes somewhat sweaty and feverish.



I'm starting to notice even more that when I'm sleep, a fourth of the
duration I can see what's going on around me while asleep and still
dreaming, or so it seems to be that way. I have recently learned that
it is called ASP. I've been experiencing things that can also be
described as SUNDS every month or so.



I try to convince myself that I'm fully awake during the day, but I know
that I'm not. It's kind of like saying, "It's hot," when it's cold, but you do
it anyways because it was proven to raise your body temperature. I
usually forget my dreams five minutes after waking up, but whether
or not I remember them, they seem to mentally/physically drain me
during the day.



I've done a little research on SUNDS in the past, only to find that it is
fairly typical among men in certain Asian ethnic groups. I'm female,
but I'm partially Filipino and Chinese, so I guess I'm one of the few
exceptions to this common ground. But still, little is known about it,
so I assume that assumption is inconclusive or just wrong. The first
time I had that attack happen was the beginning of last year. It consisted
of a flash of demonic faces, the feeling of suffocation, and I honestly felt
as if I was going to die. Before this happened, I looked at my clock and it
was 11-something pm. I closed my eyes and fell asleep only to think
I was awake during the SUNDS episode. I remember seeing some
part of my room, but with a small mirror on the wall that wasn't
normally placed there, then being suffocated, eyes shut, with no
ability to scream. To be honest, I prayed, but it didn't work. So I relied
on singing a comedic song in my head and I regained
conciousness, only to find that only 10-15 minutes have passed.



I have since lost my fear of putting myself to sleep. The way I did this
was just by not thinking about it too much. Although, I still do wake
up in shock on ocassion with my breathe racing the pace at which
my heart pumps.

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