Home » QAQuick Answer: Is Flonase Cheaper With Prescription?ContentsWhat is the best time of day to use nasal spray?Is it better to take Nasacort in the morning or at night?Is it better to use flonase in the AM or PM?Does Flonase make you sleepy?What is the best time of day to use nasal spray?.Is it better to take Nasacort in the morning or at night?Is it better to use flonase in the AM or PM?Does Flonase make you sleepy?