This started 2 days ago. When I lay down for 3-4 minutes and I want to sleep, I feel some kind of sensation in my heart, sometimes when I lay down soon I start sweating. The day before yesterday I couldn't even sleep untill 6AM. I was laying 5 hours straight. But main thing is that hear thing. please help, I hope it's not too serious.
Talk with a parent. You can decide together what is best to do.
You need to see a Dr. ASAP !