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My first weird dream is one i get CONSTANTLY. I have a "dream" that i open my eyes and i see my room (duh) but the weird thing is im lying down but i cant get up. At first i was like "Maybe im just too tired?" but then i noticed i couldnt speak. I started to wonder if it was a dream but EVERYTHING looked so real, everything was EXACTLY where it was supposed to be especially a hole in my wall. So that's when i really get freaked out and i start to use all of my might to get up to no effect, and then all of a sudden i cant breathe, like if i was being choked to death cuz i could feel hands around my neck. Then i wake up sitting straight up catching my breathe, only, i dont know why i needed to catch my breathe if there was nothing choking me...
Soul Dimension:
there are three possibilities about these dreams. One is the ghostly or magical theory as sunster13 touched on, the theory, if you believe it, suggests that at these times your soul or spirit has detached from your body and is now in the astral planes, this is perfectly safe i might add and very natural so if you believe this then dont be scared, the reason you cant breathe perhaps is either because you haven't "learned to breathe" in this new place or you have actually stopped breathing and you can feel this and so wake up. As sunster said with practice you can use this Astral Projection technique to travel places, the reason your room looks the same is because in the astral realms things are largely controlled by thought and as you see, and therefore think, about your room a lot it looks the same as it does in this realm, if you could travel out of your room into the street you might realise things that are missing or very faint as they receive little attention. f curse this theory is only a theory and isnt scientifically proven however many people claim to have experienced this, I have tried but not very hard and i didnt succeed but its worth reading up on, it can be called "astral projection" or something similar and you will find out techniques to try etc... again its perfectly safe, it cant kill you and is very natural and not evil or anything else, if you manage to control this you might notice a cord or something connecting you to your body laying comfortably in bed and this is again natural and is said to be what "ties" you to your body.
Another possibility is its just a dream and that you feel helpless or trapped in life and this is why you're unable to move, you could also feel like you're being suffocated by stress or other tasks you need to complete in waking life, if this is the case and you do feel this way try to solve these issues by thinking abut them and then putting them aside, or by dealing with the task or situation.
the last possibility is slightly scarier but i must tell you that this is fairly common and it wont kill you or harm you as you will ALWAYS wake up before you die.. unless you're already dead.. but then you wouldnt be feeling any of this. It's scientifically proven and i think its called sleep apnea and a wiki about it is here
http://en.wikipedia....iki/Sleep_apnea
The basis of this condition is that you have pauses in your breathing during sleep and this could explain the feeling of being strangled according to theory two of this experienced being a dream and the pauses in breathing are translated to the feeling of not being able to breathe in the dream.
Sleep apnea also relates to another condition, sleep paralysis, when we sleep our brains paralyse our non-essential muscles, otherwise we would run about and i think this is why sleepwalkers have their condition, because their brain doesn't fully paralyse them. Now some people can wake up in the night but their brain doesnt "unparalse" their body, so you would lay in bed not being able to move but being completely awake, it can be very scary i hear and there inst much you can do about it until your brain kicks in. Of course you could easily see this a dream because its not normal but in fact you could be wide awake. Again this is common and im sure can be treated somewhere, the best thing to do if this happens again is simply to relax, it might be hard im sure but just remember its fairly common and it wont kill you, even if you cant breathe your brain WILL make you breathe again, its like holding your breath, eventually your brain makes you breathe again. As for the paralysis the brain will kick in eventually and i would imagine relaxing would help with this. You could also try relaxing then convincing yourself you can move as this might affect your brain but until your brain "wakes up" there isnt much you can do but this wiki has a few suggestions and a good description
http://en.wikipedia....Sleep_paralysis
DISCLAIMER:

I learnt this from A level psychology so its not a definitive look at these things and i could easily be wrong, if it worries you then go to your doctor and describe these things, s/he can then give advice on what to do next. Always read up on these things as knowing whats going on can really help overcome it and to reduce the fear and stress it causes
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I am lying in bed and everytime I move the ceiling comes closer untill it squashes me. There's loads of laughing in the background and it's kind of scary.
This is interesting! The fact you say that its whenever you move that the ceiling gets closer suggests that you might feel in waking life that whatever you do makes things worse or somehow traps you. the laughing is a bit weird but it could mean that you feel trapped and as things are getting worse no-one seems to care. Im most likely completely wrong because as i said this is from two years of psychology of which only about 3 weeks was devoted to dreams. But if you do feel pressured in life, pressured into things or by stress then try to resolve the situations or talk to someone about them and it could help end the dream. Or in waking life constantly tell yourself that you control your dreams and with any luck one day you'll take control of it and put the ceiling back where it should be!
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The last one which is the one I hate most is where I leave my little brother behind for these wolves. Suddenly these wolves come out and we all jump in the car and drive off and then we sudenly say "Where's Jamie?" Then we turn around and he's being attacked by wolves and its just so horrible. You wake up and your suddenly being really nice to him.
Again another one i think there is meaning behind! Do you feel like your brother is in threat? Eg bullying, stress r anything else really? If so that could be why you dream abut this, just resolve your fears for his safety, if there are any, by talking to him or something and it should go away!
Again i could be, and most likely am, totally wrong but theyre suggestions! The reason i think there is a meaning behind them is because they are reoccurring, any reoccurring dream is usually symbolic of a fear, stress, or situation in waking life.
I had a reoccurring dream theme that i had every night for years, i wont divulge the details but once i realized what it meant i haven't had it since!