Getting tired on the job is an all too common problem that can prevent you from performing your best and taking your career to the next level. Many people rely on coffee to give themselves the energy they need to get through the day, but drinking coffee can tax both your health and your wallet. So consider trying something on this list to boost your energy without drinking any coffee.

1. Exercise During Your Lunch Break
The first way to stay energized at work without coffee is to exercise during your lunch break. This is especially effective if your job forces you to sit in front of a computer screen for eight hours every day which can make you feel sluggish.

Exercising during your lunch break can be as simple as taking a brisk walk around the block or hopping on a treadmill or elliptical machine. If you have a gym nearby or in your office, it would be much easier to get some quick cardio to keep you energized during the day. Exercising during your lunch hour to boost your energy might seem counter intuitive because you’re expending your energy when you exercise, but doing so will help bring your body to a higher level of performance.

2. Don’t Waste Your Downtime Doing Nothing
Sometimes a lack of activity can be more energy draining than an over abundance of activity. If you have long stretches of downtime try to keep yourself busy with something instead of just sitting around. Not only will spending your downtime more productively keep you awake, it’ll make you a more valuable employee than those who waste their downtime doing nothing.

3. Avoid Eating A Big Lunch
Eating a big lunch is a surefire way to slow you down in the afternoon. If you eat more than you should and feel tired after lunch, consider some of the following tips to reduce your afternoon sleepiness.

• Put some food in your stomach for breakfast
• Avoid junk food like chips, soda, and candy
• Eat whole foods like fruits, vegetables, and nuts
• Eat foods high in protein so you feel more full without overeating
• Spread your lunch out by eating smaller portions throughout the day

By following the above tips, you’ll be less likely to eat a huge lunch that will put you in a food coma in the afternoon. This will help you get more done and perform better during the work day.

4. Get Enough Sleep Every Night
Of course the best way to not feel tired during the day is to sleep more at night. If you find yourself getting less sleep than you should, identify the reasons why you aren’t getting enough sleep. You might have some late night habits that keep you from getting the sleep you need. You might be watching TV, surfing the internet, or going out with friends into the night, making it impossible to get a full night’s sleep. Consider changing your habits so you have enough energy to get through your work day without feeling the urge to take a nap.

5. Improve Your Sitting Posture
If you work an office job and sit in front of a computer all day, having good posture will help keep you awake and energized. If you sink into your chair and slouch in front of your desk, your body will naturally feel more relaxed and your productivity will wane. So keep your back straight and your body in an ergonomically sound position to help you stay focused and on task during your work day.