If feeling dizzy during exercise, the recommended action is to immediately stop and rest. It is important to sit or lie down to avoid the risk of falling or injury. Assessing hydration levels is crucial, as dizziness can often be a sign of dehydration. Sipping on water or an electrolyte drink may help. If symptoms persist or worsen, seek medical attention. Listening to one's body is essential; if dizziness or other concerning symptoms frequently occur, consulting a healthcare professional is advisable to rule out underlying issues.