The objective of this research study is to show whether data given by Oura ring could be used to objectively measure patients pain and well-being before and after disc surgery.

The study will consist of a total 30 disc prolapse patients. Patients are given Oura rings along with other treatment. Patients use Oura rings before and after disc surgery. Patients will also fill Beck Depression Inventory (BDI) and pain detect inquiries in the beginning and in the end of study. Patients symptoms will also be followed daily by electrical symptom diary.

Oura rings technology is based on photoplethysmography( PPG). PPG is a noninvasive method to detect blood volume changes in the microvascular bed of tissue. PPG waveform varies by respiration, sympathetic nervous system activity and thermoregulation. Oura ring gives information of patients activity level, calorie consumption, steps count, resting heart rate,heart rate variability, respiration rate, body temperature, sleep depth and quality of sleep.

Data collected with Oura ring after disc surgery will be compared to data collected before surgery.

Inclusion Criteria:

• Upcoming herniated disc surgery, ability to give a written informed concent

Exclusion Criteria:

• Sleep apnea, Condition with irregular heart rate, lack of cooperation

Adult patients from Finland