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Time snoring

This number is the percentage of the night you spent snoring. To calculate this, we’ve counted the number of 10 second windows in your analysis that contain snoring. So, for example, if you snored once every 10 seconds throughout the entire night, your percentage score would show as 100%.

Snore intensity

Snore intensity is a score between 0-100 based on how loud and how often you snore. A silent room would be measured as 0; a very loud snore would be measured as 100. This score is linked to the time snoring figure, in that any snoring that lasts for more than 8 seconds in a 10 second window scores as 100, decreasing to 0 for no snoring. Your snore intensity is calculated as the average of these two numbers in a 10 second window. The graph within the app shows the range of these 10 second window values over a 15 minute period.

Breathing Disruption Index (BDI)

The BDI indicates how often per hour on average you stopped breathing or struggled to breathe in the night. In a clinical study BDI events matched apnoea and hypopnea events used to assess OSA in 80% of cases. We calculate BDI by dividing the number of events by the number of hours of recording time. Anything less than 5 events per hour is reported as “<5. Anything over 60 events per hour is reported as “>60” – this is the maximum figure the BDI can give. . With 5 or more events an hour you may have sleep apnoea and you should see your doctor for an assessment. It also indicates that you might benefit from a treatment or intervention If you have less than 5 events an hour you should still see your doctor if you also have daytime symptoms such as tiredness or headaches. Less than 5 events per hour coupled with significant snoring suggests you might benefit from a treatment or intervention but unless you also have daytime symptoms your doctor may not consider it appropriate for you to undertake a sleep study.