In the testing literature, the term load testing is usually defined as the process of exercising the system under test by feeding it the largest tasks it can operate with. Load testing is sometimes called volume testing, or longevity/endurance testing.
Keep your taste buds awake, drink an energy drink. This may raise your level of alertness for a reasonable amount of driving time. Suck or munch on an apple, orange, or even a lemon to keep taste buds awake. The more tangy the food item the better. (Pull over somewhere safe before eating anything that you can't just pop in your mouth, however.
But consuming caffeine to combat sleepiness can lead to a vicious cycle. The java jolt that helps you stay awake can take up to eight hours to wear off. Caffeine can also reduce your sleep time, alter the normal stages of sleep, and decrease the quality of your sleep. How can you stay awake naturally? Try some of these 12 jitter-free tips to take the edge off sleepiness.