Mínimum criteria in deprivation of liberty 333. The measures necessary should be adopted for the supply of activities and stimulation of residents to be sufficient and adequate. Labour workshop at the Centre San Juan de Dios at Ciempozuelos (Madrid) 334. The contact of inmates with the outside world should be encouraged, with outings and walks outside, including that of those with cognitive impairment, adopting the measures necessary. In this respect, the very location of the centres may have positive or negative effects on such contact with the outside world. 335. The exercise by the inmates of their rights should be enabled, encouraging their independence, both from a therapeutic point of view and for the purpose of respecting their fundamental rights, through a board of inmates, group activity areas, participation in aspects of day-to-day life, etc. 336. Taking into account the profile of the inmates, reinsertion in the community and coordination of the centres with the Authority should be sought so that, should an inmate show improvement and a degree of independence permitting him to be transferred to a community resource, he may be released from the centre. In this respect, nevertheless, the NPM must express its concern by the general scarcity of therapeutic alternatives in the autonomous communities, such as semi-open residential resources (apartments in custody, mini-Residences with open doors, day centres …). 337. The state of health of inmates and the medication prescribed to them should be reviewed regularly. In the case of persons with a mental disease, regular psychiatric follow up must be ensured. Psychotropic drugs should be used adequately, adopting in certain cases –such as the treatment of insomnia– alternative measures such as increasing the physical activity of the inmates and reducing the number of hours during which they remain without stimulation, in bed or in their rooms. 109