appears before noticeable chest pain and should never be ignored.
4. Sleep Problems and Nighttime Restlessness
Many heart attack survivors report poor sleep quality weeks before the event. Warning signs may include:
Frequent waking during the night
Sudden anxiety at bedtime
Feeling tired even after sleeping
Poor circulation and increased stress hormones may disrupt normal sleep patterns when the heart is under strain.
5. Pain Spreading to the Arm, Neck, Jaw, or Back
Heart-related pain doesn’t always stay in the chest. It may radiate to:
The left arm
Shoulders
Neck
