Expatriates may be more likely to have to make a claim on international health insurance policies if they fail to sleep adequately.
Director of the British Snoring & Sleep Apnoea Association Marianne Davey claimed people who fail to slumber properly are at risk of becoming "physically and mentally ill".
Individuals tend to be depressed, more likely to argue, badly tempered and "un-refreshed" when they do not sleep properly, she declared.
When people go to bed, certain hormones begin to renew and repair some of the body's tissues and if men and women constantly wake up then this does not happen effectively, the expert remarked.
People must "sleep deeply for the growth hormone to enter the blood stream", she declared.
A study published in the Lancet recently argued medical professionals should routinely ask their patients whether or not they are sleeping properly, noting insomnia is linked to a wide range of health and social problems.