Medical certificate Night work

Certificate of night work according to AFS 1997:8 & Swedish Work Environment Authority regulations and general advice on medical checks at work AFS 2005:6 63-67 § AFS 2015:3

The medical check-up of night workers is intended to reduce the risk of workers suffering ill health or accidents as a result of night work normally doing at least three hours of day's work at night or likely to complete at least 38 % of the annual working time at night.

Primarily focused on things such as severe sleep disorder, possible accidents linked to impaired wakefulness, the presence of cardiovascular disease, endocrine disease or gastrointestinal disease.
Also things like the use of alcohol, tobacco, drugs or illegal drugs, as well as meal habits and social situation.