To stop feeling tired right away, get up and move. A short stroll, stretching, or mild exercise will improve blood circulation and alertness. Splashing cold water on your face or drinking a glass of cold water might also be beneficial. Bright light (ideally natural sunshine) can assist reset your body's internal clock. If drowsiness persists, a drug such as Waklert 150 (armodafinil) may be administered with physician supervision. Waklert 150 enhances alertness and can be effective in 1-2 hours, with a maximum duration of 15 hours. However, always see a doctor before using Waklert to treat persistent drowsiness or exhaustion.