This article discusses 7 potential causes of feeling tired: dehydration, low B12 levels, stress, undiagnosed heart disease, lack of exercise, too much exercise, and iron deficiency. It recommends drinking more water, taking a B12 supplement, meditating to reduce stress, seeing a doctor to check for heart issues, eating iron-rich foods, starting a moderate exercise routine, and taking rest days to prevent overexertion. The key message is that tiredness can stem from various lifestyle and medical factors, so maintaining overall wellness and consulting a doctor for persistent fatigue are important.