Article: Keeping your body awake and alert won't take you very far if your mind is always drifting off. To keep your mind alert, you have to be actively engaged in thought, whether you're holding up a conversation or listening to your teacher speak. Here's what you can do to keep your mind alert:  If you're in class, make an extra point of paying attention. Write down everything your teacher says and even reread it to stay focused. Raise your hand and answer questions. If you're confused about a certain concept, ask a question. You'll be unlikely to fall asleep if you're in the middle of a conversation with your teacher. If you're at work, talk to a colleague about a work-related task or strike up a conversation about history or politics, or even your family, if you're on a break. If you're struggling to stay awake at home, call a friend, write an email, or listen to an engaging radio talk show. Switch tasks. To keep your mind active, try to switch tasks as often as you can. If you're in school, you can do this by writing with a new pen, using a highlighter, or getting up to get a drink of water. If you're at work, take a break from typing to make copies or file papers. . If you're at home or at work, taking the time to take a quick power nap for 5-20 minutes can help you give your system the boost that it needs to keep going. Sleeping for longer than that will make you feel more tired for the rest of the day and will also make it harder for you to fall asleep at night. Here's how to do it:  Find a comfortable spot. If you're at home, a couch is ideal, and if you're at work, recline in your chair. Minimize distractions. Turn off your phone, close your door, and do what you need to do to let others around you know you're sleeping. When you wake up, take a deep breath, and have a glass of water and some caffeine to feel energized. Take a three-minute walk to get your body going. If you're having trouble taking a power nap, try using a power-nap app on your smartphone to help you fall asleep. Download an app onto your smartphone that displays bright luminous colors. This can activate the receptors in your brain that alert you staying awake. This is also why using iPads, etc. before sleep-time can harm your chances of getting good sleep.

What is a summary?
Keep your mind alert. Take a power nap Look at flashing colors.