-42 or safety measure, he should be given at least two hours of meaningful human contact per day (the definition of meaningful human contact being left to each country). The decision on separating the detainee concerned shall take into account his/her state of health and any disabilities, and there should not be any other restriction beyond those necessary for the purposes of the separation. Detainees should have at their disposal judicial remedies to challenge the placement in such an accommodation. The duration of the separation should be the shortest possible, should be regularly reviewed and suspended (and replaced with a less restrictive measure) if the mental health of the detainee is negatively affected by the measure. As the separation of the detainee gets longer, the more steps the administration has to take to mitigate the negative health effects of the separation, and provide activities, reading materials and the opportunity to exercise at least one hour per day. Living conditions should be the same as a regular cell, and separated detainees should be visited daily by the director or by a member of staff acting on behalf of the director of the prison and medical staff.