 [ Symptoms ] does clearing nasal passage before sleep help with osa if an osa sufferer uses nasal spray and blows hisher nose before bed will that curb the apnea [ Disease ] it can help i also have osa and use saline nasal spray just before bed and try to clear mucous from my nasal airway my cpap only covers my nose so i need a very clear and patent nasal airway in order to get sufficient air