How to Stop Feeling Tired After Eating Sugar

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Why you feel sleepy after eating sweets and what to do about it

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Sweets in Moderation

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Cutting Back on Sugar

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Overcoming Sleepiness

If you feel tired after eating sugar, changing how and when you eat sweets can help your body better process sugar. You can try eating sweets that contain fat and/or protein, or eating sweets directly after a meal. Making an effort to cut back on your sugar consumption can also help you stop feeling tired after eating pie, cake, or cookies.

Things You Should Know

Eat protein or fats along with sweets to avoid a sugar crash later on.
Cut back on the amount of sugar you eat each day to avoid sleepiness.
Make an appointment with your doctor to check your blood sugar levels if you often feel tired after eating sweets.
Get energized again by exercising or going outside. Drink a glass of tea or water, and avoid eating more sugar to keep your energy levels up.

Method 1

Method 1 of 3:

Sweets in Moderation

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It’s okay to eat a piece of cheesecake, but eating half of a cheesecake can cause you to feel sleepy in the minutes or hours that follow. Try reducing the amount of sugar you consume in a single setting. For example, if the serving size is ten gummy bears, try to stick to the serving size instead of going overboard.^{[1]XResearch source}
2
Try eating protein before or with sugar. Eating a little protein before or while you consume sugar can help cancel out the sleepy side effects of sweets. Go for desserts that include some protein, like cheesecake or sweets that include peanut butter. Or try eating nuts or meat before sweets.^{[2]XResearch source}
- This doesn't mean that eating protein powder along with a whole cake will help!
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Sometimes the sugar from fruit can make you feel tired. It can also create a surge of energy, followed by a crash. You can help your body process the sugar more efficiently, and prevent blood sugar spikes and plunges by including fat and protein with your fruit. For example, if you usually consume a fruit smoothie and feel sleepy afterward, try eating a handful of almonds right before you enjoy the smoothie.^{[3]XResearch source}
Try to avoid eating sugary snacks. Eating sugary foods on their own can cause the sleepiness that some people feel after they consume sweets. For example, if you snack on sugary foods in the middle of the afternoon, rather than after a meal, you are more likely to experience adverse symptoms, like lethargy or drowsiness. Instead, try eating sweets after a well-balanced meal to help your body better maintain appropriate blood sugar levels.^{[4]XTrustworthy SourceNational Health Service (UK)Public healthcare system of the UKGo to source}
While a sugary coffee drink may give you an initial jolt of energy, the combination of caffeine and sugar can cause your energy levels to crash. This can lead to feeling tired and even lethargic. Try to stay away from sugary coffee drinks, sodas, and energy drinks. Instead, try drinking flavored sparkling water, slightly sweetened tea, or black coffee if you need a caffeine fix.^{[5]XTrustworthy SourceCenters for Disease Control and PreventionMain public health institute for the US, run by the Dept. of Health and Human ServicesGo to source}

Method 2

Method 2 of 3:

Cutting Back on Sugar

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1
Reduce the amount of sugar you consume each day. If you fall asleep often after eating sweets, it could be a sign you need to cut back on how often you consume sugar. Try to keep your daily sugar intake within respected dietary guidelines. The U.S. Department of Agriculture recommends that only 10% of a person’s total daily calories come from sugar. For example, a 2000 calorie diet should contain no more than 200 calories from sugar each day.^{[6]XTrustworthy SourceHealth.govOnline collection of health and fitness standards set by the U.S. Office of Disease Prevention and Health PromotionGo to source}
- Try replacing sugary drinks with water.
- You can also replace sweet snacks with low-sugar fruit, like berries.
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Keep an eye on added sugars. A lot of processed foods contain high amounts of sugar. Foods like salad dressing or yogurt can contain surprising amounts of added sugars, thwarting your best efforts to cut back on sugar. Read food labels carefully and be on the lookout for added sugars like:
- Brown sugar
- Corn sweetener
- Corn syrup
- Dextrose
- Fructose
- Glucose
- High-fructose corn syrup
- Honey
- Lactose
- Malt syrup
- Maltose
- Molasses
- Raw sugar
- Sucrose
If you feel sleepy after eating sweets, it could be a sign of underlying medical issues. If you have consistent trouble staying awake after eating sugar, make an appointment to see your doctor. They can perform tests to see if your blood sugar is normal, and can help you figure out ways to cut back on sugar in your diet.^{[7]XTrustworthy SourceCenters for Disease Control and PreventionMain public health institute for the US, run by the Dept. of Health and Human ServicesGo to source}

Method 3

Method 3 of 3:

Overcoming Sleepiness

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If you find yourself falling asleep after eating sweets, try exercising. A gentle walk or a full-blown workout can help energize you. Try going for a short walk around your office building if your afternoon treat leaves you feeling lethargic.^{[8]XTrustworthy SourceNational Institute of Diabetes and Digestive and Kidney DiseasesHealth information from the National Institute of Diabetes and Digestive and Kidney Diseases, a division of the U.S. National Institutes of HealthGo to source}
If you find yourself crashing, it’s easy to reach for another cookie or energy drink for a quick boost. Avoid doing this, as you will only cause your blood sugar to peak and then crash again, possibly leaving you more tired.
Dehydration can often mask itself as a sugar craving. Before you indulge in a sweet treat, try drinking a large glass of water or a cup of tea to see if hydrating can curb the craving.^{[9]XTrustworthy SourceMedlinePlusCollection of medical information sourced from the US National Library of MedicineGo to source}
Another way to overcome the sleepiness brought about by consuming too much sugar is to step outside. Sunshine can warm and invigorate you. Spending time in the sun will give you an added boost of vitamin D, a nutrient that is essential to overall health and wellbeing.^{[10]XResearch source}