Disclaimer: I am not asking for a diagnosis just wondering if anyone else has experienced this or has any guess as to what it might be

Starting from when I was very young (around 6) and happening progressively less frequently as I’ve gotten older (17 now) I have had very weird experiences that only occur late at night. One of them is a sort of tactile hallucination that is almost impossible to describe but I will do my best. It feels as though my body, especially my fingers, hands and feet but also my arms and legs get really heavy but not in a normal sense they almost feel to heavy to lift but at the same time they feel really light. They will feel as if they are changing size as well like they are both extremely thin and very thick at the same time. I can look at them and they look normal but it’s like my brains recognition of them is completely different. If you haven’t experienced it then whatever you are imagining is completely wrong because as I’ve said it is impossible to describe but it can be quite unpleasant and when it gets bad in can be extremely uncomfortable and distressing. 

The other symptom which has always been the most unpleasant and can actually be terrifying is where sounds, usually a particular sound such as the fat turning in my room will seem to amplify in my head. It will continue to amplify until it is though the sound is being screamed into my ears. This doesn’t happen in a very literal sense as I will still be aware that the sound is not extremely loud and it won’t just get louder but it will almost sound aggressive. This probably again makes no sense to anyone who hasn’t experienced it but it just gets more and more aggressive. Is had gotten to the point several times where I have had to leave my room and go and lie on the bathroom floor or anywhere quiet. When I experienced this and it gets bad I will be in this state regardless of my surroundings until it passes so a different noise could become the amplified noise if I move to a different environment. Another coping mechanism that can is is I just try to wake myself up as much as possible to get out of that state of mind which can work for both the symptoms but it never works instantly and symptoms usually last 10+ minutes after leaving my bed and trying to become as awake and alert as possible.

If anyone has any idea what this could be or has experienced the same please let me know as I’ve always found it very strange and often extremely uncomfortable.