There are many reasons for men to sweat at night, which can be caused by physiological factors such as sleeping with too many covers at night, or pathological factors such as hyperthyroidism and diabetes. I. Physiological factors: due to sleeping too much covers at night, or indoor environment is too hot, will cause men to sleep at night sweating. This kind of physiological factors cause night sweating do not worry, generally appropriate to reduce the quilt or reduce the room temperature, and so the body temperature will be stable after the relief. The actual sweating is caused by Yin deficiency and internal heat. Yin deficiency and the body’s basal metabolism enhanced, increased heat production but not enough water, there will be men sleeping at night sweating; 2, hyperthyroidism: hyperthyroidism patients due to increased secretion of pro-thyroid hormone, which in turn stimulates the thyroid gland to produce too much thyroid hormone, will lead to easy agitation, sweating, irritability, hyperphagia and other performance, can appear men sleeping at night sweating; 3, diabetes: due to The peripheral nerve changes caused by diabetes can cause men to sleep more sweaty at night. There may also be symptoms such as excessive drinking, excessive urination, excessive eating and weight loss.