There are a few possibilities as to what can be causing the symptoms you describe. I ll delve into a few possibilities. Keep in mind however, stress and inherent cardiac conditions can in and of themselves be the root cause for these symptoms, though there are also a slew of outside factors (i.e food insensitivity and reactions) which can cause this as well. Spicy food, as well as salty food have the potential of dehydrating an individual if not accompanied by proper fluid intake. Low potassium, and or dehydration are both known causes of palpation. Food allergies, and insensitivity are also known causes of induced palpations, as well as causing a variety of other symptoms, such as some of those you discussed (restlessness, perspiration). Then there are chemical and emotional reactions to spicy foods which in and of itself can cause palpations. To summarize; spicy and or heavy foods induce very particular brain signals and changes in blood pressure and flow to the GI system. Alterations in GI blood-flow can induce palpations, as the heart is experiencing a sudden change in its normal patterns of volume, flow and pressure. Ultimately, a palpation in and of itself can be innocent and with isolated symptoms oftentimes no need for concern. However with the additional symptoms you describe, your case sounds somewhat more serious, and they are obviously causing you great discomfort. Therefore despite the possibilities for different rationale for your symptoms that I ve discussed with you, I highly recommend you make an appointment with a cardiologist to discuss exactly the symptoms you are experiencing, with potential consultation from a GI physician for food insensitivity and or reactivity. As bridge therapy I recommend ensuring adequate hydration, and possibly tums or over the counter ant-acids; to diminish the effects of potential heartburn; as acid reflux can be a known cause of waking + rising discomfort, food associated discomfort and even activity based discomfort. If these symptoms do not improve, and regardless of improvement, have yourself checked out, the best course of action is always ease your mind of possibilities, and have a definitive answer, which formal physician checkups can likely provide. :) I wish you the best.