37 years, cold sweat at night , pain in the chest, then state of panic, move around the room, and the sensation of vomiting. ekg it is ok. what can be?

Sounds like classic: panic attack sx's, but check it out with a general physical first. There are 33 sx's of panic/anxiety and you've mentioned some of the big ones. Dreams can set off panic attacks, only in this case your defenses against the attack is impaired (sleepy). Learn all you can about anxiety. Here's a reference: http://www.psychologyproductsandservices.com/page2.html

Panic Disorder: I feel empathy for your symptoms. Commend yourself for seeing your Physician who ordered EKG which is normal, indicating good functioning heart. Your panic and physical symptoms are likely due to stresses in life such as marriage, relationships, separation, divorce, children leaving home, work and finances. See a Psychiatrist for Therapy, Medication, Breathing Relaxation, Yoga and Meditation.