Yea, we know that’s tough to get to bed early. High school starts at 7:30 a.m., and then there’s homework, sports, and, of course, reaching the next level of Guitar Hero But your teen brain is like a battery that needs recharging, or watch out—you can feel grouchy and find it hard to concentrate. And, if you’re lucky enough to be driving age, falling asleep at the wheel is a real danger.

You can get enough sleep. Here’s how:

Hit The Shut-Down Button: If you have to check your Facebook account, write a paper, or play a game, try to do it early, and not just before you go to bed. That bright computer screen might actually be affecting the biological rhythms that govern sleep. That means that the glow from the computer screen is signaling to your brain to stay up, when you should actually be sleeping.

Forget the Red Bull: That cookie and milk snack that you had as a tyke might still be the perfect bedtime munchie, as carbs + proteins = drowsy. Caffeine drinks—including soda and pop—as well as coffee and tea can make it hard to nod off. And vitamins, pills, or drinks can’t replace a good night’s rest, no matter what the advertising says.

Where’s the teddy bear? A bedtime ritual—such as brushing your teeth, taking a shower, or reading a book—can signal to your mind and body that it’s time for bed. Try to keep a consistent bed and wake-up time, and stick to it. Forgo the Comedy Central at midnight. (Check out interactive tool: Headspin for the scoop on sleep.)

Be radical: If you want a cause, circulate a petition that advocates for a later school start-time. Click here for sample petition. Sweet dreams!