Question

Your heart beat increases suddenly by looking at an unidentified shadow at night .Why heart start beating so fast?​

Answer 1

Answer:

Heart palpitations at night occur when you get the feeling of a strong pulse in your chest, neck, or head .

Answer 2

Answer:

whenever any type of that condition occur , heart start beating so fast , Because of the adrenaline hormone Secreted by the adrenaline gland , which increases the heart beat , respiration , and oxygen supply .