From last 2 years i am facing a problem I feel like i am floating while laying down and bouncy when I walk I go for motion 4 times in day and whenever this happens on a large scale I go to washroom. Last time while I was trying to sleep I was very sleep as soon as I closed my eyes I felt like my heart rate stopped i am going to die And that is the feeling when I suddenly wake up take My phone and do random stuff after this happens for 3-4 times I finally sleep So last night this attack was on a very large scale I could not sleep felt like i am in a boat after I stood up at sat in washroom again I felt that same thing but on a large scale I suddenly woke up and I was feeling very bouncy my heart rate was high my face was hot and I could not breath I closed my eyes when I opened them I felt everything spinning im 18 and I am overweight plus I got my heart tests done they were all normal What to do? I have boards to give i am not able to study because of this help me.