Modafinil takes 30–60 minutes to act after administration, with peak effects 2–4 hours later. The effects persist 10–15 hours, making it a popular option for sustained wakefulness and attention. Metabolism, dose, and empty stomach might affect reactions. Some users may notice changes faster than others. Never exceed the recommended dosage of modafinil australia online, which may cause anxiety or sleeplessness. Talking to a doctor before taking modafinil may help you take it safely.
