morning dip

A popular term for a measurable decrease in expiratory air flow rates that commonly occurs between 2 and 4 am, resulting in loss of sleep due to coughing and breathlessness

morning dip

Pulmonary medicine A popular term for a measurable ↓ in expiratory air flow rates that commonly occurs between 2 and 4 am, resulting in sleep loss due to coughing and breathlessness