" administration of medications more frequently than the elimination half-life leads to drug accumulation, medications such as diazepam and flurazepam accumulate with daily dosing, eventually resulting in increased daytime sedation. Some benzodiazepines (e.g., oxazepam) are conjugated directly by glucuronidation and are excreted. "

― , Kaplan & Sadock's Synopsis of Psychiatry: Behavioral Sciences/Clinical Psychiatry