The<unk>  is a condition that occurs in individuals who<unk> -over" throughout the Antarctic (or Arctic)<unk> , which can last seven to eight months. It has been observed in inhabitants of research stations in Antarctica, as well as in polar bases such as Thule, Alert and Eureka. It consists of a variety of behavioral and medical disturbances, including irritability, depression, insomnia, absentmindedness, aggressive behavior, and irritable bowel syndrome.
Winter-over syndrome
Adams–Nance syndrome
Morvan's syndrome
Frey's syndrome
Weaver syndrome
Jones syndrome
Rabbit syndrome
Pfeiffer syndrome