Most of people suffering from both depression and sleep disturbances often require a specialist treatment. Depression and accompanying sleep disorders are a significant problems in society which need attention.

The main aim of the study is showing the correlation between the extent of depression and the intensification of sleep disorders in its course.

A group of 33 patients with diagnosed depression was examined, 20 women aged 39-68 and 13 men aged 47-63. The whole group was examined considering the period of the last month of patients’ life before starting taking medicaments. In the carried out research Beck Scale was used to estimate the extent of depression whereas Athens Insomnia Scale is utilized for describing the intensification of sleep disturbances.

In the group of men the average score of Beck's depression was 27,2 while the average score in insomnia scale was 16. In the group of women the following average scores were received, 32 in the Beck Scale and 14,17 in the Insomnia Scale. In order to show the extent of correlation between depression and sleep disorders the Spearman's coefficient of correlation was calculated and amounted to 0,27.

According to received results along with increase of the extent of the depression there is a slight increase of the intensification of sleep disorders. The research is still ongoing with the target group of 100 examined patients.