Sleep disordered breathing (SDB) describes a group of disorders characterized by:
1. Abnormal respiratory patterns (e.g. the presence of apneas or hypopneas); or
2. Insufficient ventilation during sleep.
Sleep disordered breathing (SDB) describes a group of disorders characterized by:
1. Abnormal respiratory patterns (e.g. the presence of apneas or hypopneas); or
2. Insufficient ventilation during sleep.