A heavy or tired head, especially in the afternoon, as your head is a very sensitive indicator of thyroid hormone status. (articles.mercola.com)
Hypothyroid symptoms — Beyond stalled weight loss, the most common symptoms of low thyroid hormone status include cold hands and feet; low energy; mental «fog;» increased loss of hair and eyebrows; constipation; leg edema. (wheatbellyblog.com)
◦ A heavy or tired head, especially in the afternoon; your head is a very sensitive indicator of thyroid hormone status (articles.mercola.com)