This trial will aim to test a new wearable device for the diagnosis of Sleep Apnoea.

This clinical trial will test a new wearable device for the diagnosis of Sleep Apnoea against Multi-channel polygraphy and Polysomnography.

Inclusion Criteria:

• Patients who have been referred to a sleep clinic due to suspicion of sleep apnoea.
• patients between the age of 18 yo and 80 yo

Exclusion Criteria:

• who are not fluent in Spanish, or who have special communication needs.
• Known allergy to the adhesive dressing.
• patients with physical or mental impairments who would not be able to use the new technology on their own.
• patients with very loose/saggy skin in the neck area which would unavoidably result on AcuPebble swinging if moving the neck.
• patients with pacemakers or who have any type of implanted electronic device

Patients who have been referred for suspicion of sleep apnoea