57rdi
My blogs
| Gender | Male |
|---|---|
| Industry | Publishing |
| Occupation | Editor |
| Location | North Carolina, United States |
| Introduction | RDI, or respiratory disturbance index, is one of several factors used in sleep studies to rate the severity of sleep apnea. Essentially, it is the number of times an hour breathing problem occur. Measures vary, but anything over 30 is usually considered severe. |