Question

Why sometimes human heart beats fast when he/she wake up ?

Answer 1

Yeah this happens when your body have lack of information about your phenomenon!…so some amount of emergency hormone makes you redy with any abnormal activities around you to save you. You don't need to worry... But if this happens throughout the whole day or this is been happening since a week or month you better consult a doctor

Answer 2

Answer:

many factors can cause a person to wakeup with a raising heart including diet, stress, sleep deprivation, etc......