Chronotherapy for Depressive Episodes

Inclusion criteria. Patients eligible for the trial must comply with all the following at randomization: * Being 18 years or older * Willing and able to provide a written informed consent * Newly diagnosed with an ongoing moderate or severe depressive episode according to the International Classification of Disorders 10th edition (ICD-10) and accepted for treatment for the depressive episode. The diagnosis is set in consensus of a licensed therapist and a specialist in psychiatry/psychology. * The patient must score ≥ 9 on the Hamilton Depression Rating Scale-6. * Must be able to communicate in a Scandinavian language Exclusion criteria. Patients are considered ineligible for participation if any of the following are present: * Illnesses and treatments where chronotherapy may be contraindicated (for example epilepsy, ongoing attack of multiple sclerosis, blindness, narcolepsy and psychotic depression, ECT treatment). * Known pregnancy. * Individuals with a known diagnosis of emotionally unstable personality disorder (F60.3). * Individuals with a known psychotic disorder * Shiftwork or other related social or work circumstances that inhibit participation * Participation in an ongoing trial at the outpatient clinic that encompasses digital cognitive behavior therapy for insomnia (recruitment to this trial will end in 2023).