Long-term Monitoring of Sleep with Ear-EEG in Patients with Chronic Pain

Who can take part

• For a subject to be eligible, all inclusion criteria must be answered "yes":
• Understand and write Danish
• Pain present on most days or every day during the past 3 months
• Pain limits daily activities or work on some days, most days or every day during the past 3 months
• Pain intensity equal to or larger than 4 on 0-10 Numeric Rating Scale [NRS] within the last week
• Informed consent obtained before any study related activities

Who cannot take part

• Previous stroke or cerebral haemorrhage and any other structural cerebral disease
• Allergic contact dermatitis caused by metals or generally prone to skin irritation
• For a subject to be eligible, all exclusion criteria must be answered "no":
• Obstructive sleep apnoea (Defined as yes to 3 or more questions in the STOP-BANG questionnaire for women and 4 or more questions for men)
• Teeth grinding (bruxism)
• Pregnancy or lactation (Pregnancy is screened for through self-reporting as no risks regarding pregnancy have been identified for the described study procedures)
• Narrow or malformed ear canals or piercings, making ear-EEG infeasible
• People judged incapable, by the investigator, of understanding the participant instruction or who are not capable of carrying through the investigation