Why Does My Husband Smell Sour When Sleeping?

Body odor at night rarely tops the list of serious health woes, but it can be embarrassing and disconcerting. Sour body odor when sleeping usually isn't a cause for concern, but the sweating could be a sign of benign hyperhidrosis or a more serious ailment.

Why do I wake up smelling like vinegar?

Hyperhidrosis. A person with hyperhidrosis suffers from excessive sweating caused by the eccrine glands so the body sweats more than it needs to. It can be extremely uncomfortable and embarrassing, as the abnormal amount of sweat produced can lead to a strong vinegar smell.

Why does my husband's sweat smell sour?

Sweat is mainly water and sodium chloride, but also contains small amounts of potassium, calcium, ammonia, urea, lactate, and ethanol. When sweat mixes with bacteria on the skin, it can produce a smell, which may smell like vinegar.