Loneliness is a subjective feeling and experience of isolation and alienation from others or society, rather than an objective state. It is the self-closure of a person’s living space and living state. A lonely person will separate from the social group and live in a negative state.
The cause of loneliness is very complicated. It is the product of comprehensive factors and the result of the dual effects of various adverse factors in the internal and external environment that each person encounters.
For example, the adverse influence of external environmental factors; Some environment is easy to let a person feel lonely, in the sparsely populated environment, or alone in a certain environment, even if there is a desire to communicate with people, but there is no object of contact, such as long-term work, exploration, stationed in the frontier soldiers, single people will often feel lonely.
The same is true in the unfamiliar environment, although some environment lively, but to one person is strange, unfamiliar, because there is no friend, no acquaintance, will face many problems, many under pressure, can’t get help from others, necessary to communicate with others, so will feel very alone.
But one study suggests that autism can lead to cravings at night.