Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/8/2025

Reduced Next-Day Sedation with Extended Release Formulations

Pharmacokinetic and Clinical Evidence

  • The American Academy of Sleep Medicine recognizes that extended release formulations, such as zolpidem ER, maintain therapeutic effects while reducing next-day impairment 1, 2
  • The FDA recommends lower starting doses for extended-release zolpidem to reduce next-day sedation, with a recommended starting dose of 6.25 mg 2
  • Extended release formulations provide more consistent plasma levels throughout the dosing period, reducing the "hangover effect" commonly associated with sedating medications 1, 3

Patient Factors and Considerations

  • Individual patient factors, including age, hepatic function, and concomitant medications, can affect the metabolism of quetiapine and influence sedation levels, as noted by the American College of Clinical Pharmacology 4, 5