Profound and unexplained fatigue or a sudden decrease in energy levels can sometimes be a warning sign of a heart attack in women.
Sleep disturbances
Sleep disturbances, such as insomnia, unusual restlessness, or waking up frequently during the night, have been reported as warning signs in some women prior to a heart attack.
Anxiety
Some women may experience a sense of impending doom, anxiety, or a feeling that something is terribly wrong during a heart attack.
Lightheadedness
