The effects of Waklert 150 mg typically peak two to four hours after consumption. Users frequently report the highest levels of attention, mental clarity, and alertness at this moment. The full advantages of wakefulness and cognition take time to manifest, however the effects start to show within 30 to 60 minutes. For the majority of people, the effects linger up to 12–15 hours after peaking and then gradually drop off over the following several hours. Due to its lengthy duration, it is usually used in the morning to avoid sleep problems at night while preserving alertness and productivity during the day.