👉 Hemilethargy is a medical condition in which a person's heart rate increases significantly when they are very tired or dehydrated. This can cause symptoms such as dizziness, lightheadedness, shortness of breath, nausea, and headache. Symptoms may also be more pronounced during certain activities like walking, cycling, or running. Hemilethargy is a common condition in people who have chronic kidney disease or diabetes mellitus, but it can also occur in people
