Modafinil is approved to improve wakefulness in adults with narcolepsy, obstructive sleep apnea (OSA), and shift work disorder (SWD) (U.S. Food and Drug Administration [FDA], 2015; Greenblatt & Adams, 2023). If it feels like it stopped working, the reasons are usually fixable. Below are seven evidence-based causes and practical fixes, written for everyday use. Key…

Modafinil and caffeine are two of the most widely used substances for boosting alertness, concentration, and wakefulness. One is a prescription drug used for sleep disorders; the other is the world’s most popular stimulant. But can you safely take them together? Disclaimer: This article is for informational purposes only and does not constitute medical advice….

Modafinil is a prescription medicine for narcolepsy, obstructive sleep apnea (OSA), and shift work disorder (SWD). It can also be used off label for other conditions. Modafinil affects liver enzymes that process many medicines and it has stimulant effects, so combining it with certain substances can create real risks (Greenblatt & Adams, 2023; U.S. Food…

Modafinil is a wakefulness-promoting medicine approved for narcolepsy, obstructive sleep apnea, and shift work disorder. Doctors sometimes prescribe it for other conditions when the potential benefits outweigh the risks and when evidence supports that choice. This guide summarizes what the research shows and where the data are still limited, so readers can discuss options with…

Modafinil is widely used to promote wakefulness in conditions like narcolepsy, shift work sleep disorder, and obstructive sleep apnea. While the drug is considered effective and generally well-tolerated, some users have reported teeth grinding (bruxism) as an unexpected side effect. Key Takeaways What Is Bruxism? Bruxism is the involuntary grinding, clenching, or gnashing of teeth….

Modafinil, a medication primarily approved to promote wakefulness in conditions such as narcolepsy, obstructive sleep apnea, and shift work sleep disorder, is drawing increasing interest as a potential treatment for Attention Deficit/Hyperactivity Disorder (ADHD, formerly known as ADD) (U.S. Food and Drug Administration, 2015; Greenblatt & Adams, 2023). While standard stimulants remain first-line therapies for…

Modafinil and Adderall are two of the most widely recognized prescription medications for enhancing wakefulness and attention. While both are central nervous system stimulants, they differ in their mechanisms, approved uses, side effect profiles, and potential for misuse. These differences are clinically significant, especially since both drugs are classified as controlled substances. Understanding their distinctions…

Choosing between armodafinil and modafinil can feel confusing. Both are prescription medicines that help adults stay awake if they have narcolepsy, obstructive sleep apnea (OSA), or shift work disorder (SWD). This guide compares how they work, how long they last, how well they perform, and how safe they are, using data from clinical studies and…