 Assignment of interventions: After admission patients are invited to participate in the study. If the patients wish to participate they will go through eligibility screen, sign informed consent and fill out questionnaires on sleep, mood and well-being -t1. The patients now participants are randomly allocated t0 by sealed envelope technique and the envelope is brought to the staff office and opened by a staff member who then from the computer in the office programs the participants room to either intervention or control. 