Why Do I Feel Sleepy After Exercising In The Morning? Solved

Sleep is important for keeping you going and making you feel more energetic for the day. But, have you ever asked yourself:

Why do I feel sleepy after exercising in the morning?

Feeling tired or sleepy after your morning workout is a common challenge that can cast a lingering shadow over the rest of your day. There are many reasons behind why this could be happening, so it’s important to identify the exact root cause!

This blog highlights the main reasons behind muscle fatigue that might be making you feel sleepy after exercising in the morning. It provides practical insights on addressing them naturally, ensuring your fitness journey remains invigorating.

Why Do I Feel Sleepy After Exercising In The Morning? Quick Answer and Summary

Feeling sleepy after exercising in the morning is often due to muscle fatigue and the body's recovery processes, including central and peripheral fatigue. This natural response can be influenced by factors like glycogen depletion, dehydration, and the body's effort to repair muscle tissue and restore energy levels. Here's a concise summary addressing this common concern:

  • Muscle Recovery: Post-workout sleepiness can stem from the body's need to repair muscle tissue and recover from central fatigue. Ensuring muscle recovery is supported through adequate rest and nutrition is key.
  • Hydration and Nutrition: Drinking water with electrolytes and consuming a balanced diet rich in fruits and vegetables help replenish lost fluids and essential minerals, aiding in muscle recovery and reducing feelings of tiredness.
  • Post-Workout Naps: A short post-workout nap can help alleviate central and peripheral fatigue, supporting nervous system recovery and muscle growth. However, to avoid sleep inertia, these naps should be kept brief.
  • Understanding Fatigue: Central fatigue, affecting the nervous system, and muscle fatigue from intense exercise contribute to post-workout sleepiness. Addressing both with proper rest, hydration, and nutrition is crucial for a quick recovery.
  • Maintaining Routine: Consistently following a training schedule that includes rest days and monitoring body weight can help manage and prevent post-workout sleepiness. Incorporating recovery strategies like post-workout naps into your routine ensures you stay energised and injury-free.

Incorporating these practices into your recovery routine, including prioritising sleep and hydration, can significantly improve your post-exercise energy levels and overall well-being.

8 Causes and Solutions of Post-Workout Fatigue Making You Sleepy  

If you exercise regularly, you will know how you feel tired after a workout. Muscle fatigue after a high-intensity exercise is quite normal. Understanding the root causes of this post-exercise fatigue is the first step towards addressing it. Here are eight common reasons you might feel sleepy after your morning workout.

1. Glycogen Depletion Fatigue

Glycogen depletion commonly occurs during intense exercise, contributing to muscle fatigue and overall physical performance. To counteract this, engaging in post-workout snacking that includes a combination of carbohydrates and protein within the first 30 minutes to two hours is crucial.

This proactive and holistic approach aids in replenishing glycogen stores efficiently, preventing the sluggishness often associated with glycogen depletion.

2. Brain Chemical Imbalance

Exercise-induced fatigue involves a delicate interplay of brain chemicals, particularly serotonin and dopamine. Supplementing with L-Tyrosine can support dopamine production, influencing mood and motivation. This targeted approach helps counteract potential post-exercise crashes, ensuring a smoother transition and sustained energy levels.

3. Overtraining Syndrome (OTS) Exhaustion

Overtraining syndrome (OTS) can result from persistent high-intensity workouts without sufficient rest, leading to systemic inflammation and neurohormonal changes. A strategic approach involving rest days and gradual adjustments to exercise intensity is crucial to prevent adverse effects. Striking a balance in your workout routine is key to preventing persistent fatigue and maximising athletic performance.

4. Insufficient Sleep and Exercise Fatigue

Good sleep quality is essential for optimal exercise outcomes, and lack of it can lead to reduced accuracy, increased injury risk, and faster exhaustion. Incorporating tart cherry extract, known for its inflammation-soothing properties and natural melatonin content, can aid in post-exercise recovery and fix a bad night's sleep. This dual action addresses two critical facets contributing to post-workout fatigue.

5. Dehydration-Induced Tiredness

Dehydration significantly impacts cognitive function and exercise performance. As a result, you may feel tired. Establishing consistent hydration habits throughout the day and during physical activity is essential. Adequate fluid intake supports cognitive clarity and sustained physical exertion, minimising the risk of dehydration-related fatigue.

To stay hydrated, read and follow our comprehensive guide to hydration

6. Electrolyte Depletion and Fatigue

HIGH5 Energy Gel

Electrolytes, including sodium, potassium, magnesium, and calcium, play a vital role in muscle function and hydration. The benefits of electrolytes extend to muscle function, hydration, and fatigue management. Opting for fluids that replenish electrolytes lost through sweating, such as sports drinks or coconut water, is essential to reap these benefits. 

HIGH5 energy gels supply both electrolytes and a source of energy to your body before and during exercise, which are essential for maintaining energy levels throughout a workout or race. Opting for these gels along with making balanced fluid choices helps sustain energy levels during and after intense physical activity.

7. Inadequate Body Fuel Exhaustion

A well-balanced and nutrient-dense diet forms the foundation for optimal workout performance. Timing is key for pre and post-workout meals to sustain blood sugar levels. Avoiding processed foods stabilises energy levels, minimising the risk of post-exercise crashes. Prioritising proper nutrition ensures the body has the necessary fuel to perform optimally during and after workouts.

8. Mitochondrial Fatigue in Cells

Mitochondria, the energy powerhouses of cells, can experience stress and damage during intense exercises. PQQ supplements offer targeted support for mitochondrial health, aiding in repair and regeneration. By supporting these vital cellular components, individuals can minimise fatigue and enhance the overall recovery process, contributing to sustained energy levels post-exercise.

HIGH5 Energy Gel

14 Tips to Fix Post Workout Fatigue the Next day

Now that we've identified potential causes, let's look at some effective strategies to help you rejuvenate and recover more effectively after your morning workouts. 

So, if you feel fatigued post-workout, getting a rest day can help. Feeling exhausted after exercising is normal, and you can implement the following tips to deal with post-workout fatigue.

1. Get Quality Sleep

Ensure you get a good night's sleep, as enough sleep is vital for effective muscle rebuilding and overall health. Sleep deprivation or insufficient sleep can hinder your athletic performance. Prioritise 7-9 hours of uninterrupted sleep to combat fatigue and promote optimal physical and mental performance. A study shows that athletes need around 8.3 hours of sleep to feel rested. So, make sure you get enough hours of quality sleep.

2. Regular Physical Activity

Engage in regular exercising, but be mindful of intensity. Consistent, moderate, and regular exercise supports overall well-being and helps prevent fatigue. Avoid excessive high-intensity workouts without sufficient recovery.

3. Holistic Approach to Health

Adopt a holistic approach to health, considering factors like nutrition, stress management, and mental health and well-being. A holistic approach relates to understanding and addressing the interconnection between various aspects of your health. It includes physical, mental, emotional, and spiritual well-being. A balanced lifestyle contributes to sustained energy levels and minimises post-exercise fatigue.

4. Hydrate Adequately

Ensure proper hydration throughout the day, especially during and after workouts. Drink plenty of water and other hydration drinks. Maintaining electrolyte balance supports muscle function and prevents dehydration-related fatigue. Besides adequate hydration, keep a close eye on symptoms of dehydration and treat them at the initial stage.

5. Balanced Nutrition

Fuel your body with a well-balanced diet rich in nutrients (refer to our guide to understand sports nutrition). Consume a mix of protein, carbohydrates, and healthy fats to provide sustained energy for workouts and aid in post-exercise recovery.

6. Rest and Recovery Days

Incorporate rest days into your fitness routine to allow for adequate recovery. A study discovered that it takes around 72 hours for muscle recovery after intense physical activity. Overtraining can lead to chronic fatigue, so strike a balance between exercise intensity and rest.

Pay attention to your body's signals. If you're feeling excessively tired, consider adjusting the intensity of your workouts. It's crucial to honour your body's need for rest and recovery.

7. Mindful Stress Management

Practice stress-reducing techniques such as meditation, yoga, or deep breathing exercises. Chronic stress can contribute to fatigue, so adopting stress management strategies is essential.

8. Gradual Increase in Intensity

Gradually increase the intensity of your workouts to allow your body to adapt. Sudden, intense exercise can lead to fatigue, while a gradual progression promotes improved endurance and energy levels.

9. Outdoor Physical Activity

Incorporate outdoor activities into your routine. Fresh air and exposure to natural light can enhance mood, reduce stress, and contribute to overall well-being.

10. Foam Rolling for Muscle Recovery

Include foam rolling or self-myofascial release in your post-workout routine. Foam rolling aids in muscle recovery, reduce muscle tension and can alleviate feelings of exhaustion, especially for elite athletes.

11. Consistent Fitness Regimen

Stick to a consistent fitness routine that aligns with your overall health goals. Regular, structured exercise contributes to improved fitness levels and sustained energy.

12. Prioritise Low-Impact Activities

Consider incorporating low-impact exercises into your routine, such as walking or yoga. Low-intensity exercise provides physical benefits with less strain on the body, promoting long-term sustainability.

13. Create a Relaxing Bedtime Routine

Establish a relaxing bedtime routine to signal to your body that it's time to wind down. This can include activities like reading, gentle stretching, or practising mindfulness.

14. Contribute to Your Well-Being

Ensure that your exercise routine contributes positively to your overall well-being. The combination of regular physical activity, adequate sleep, and a holistic approach to lifestyle changes forms the foundation for sustained energy levels and reduced fatigue.

Outdoor Physical Activity

Will I Gain Weight if I Sleep After Exercise?

If you're wondering about weight gain from sleeping post-exercise, rest assured that sleep is a crucial part of recovery and does not directly lead to weight gain. Getting adequate sleep is essential to a healthy lifestyle and can contribute to overall well-being, including weight management. 

Here are some key points to consider:

Rest and Recovery

After doing a physical exercise or activity, your body initiates a complex process aimed at muscle repair and growth. Sleep is crucial in this recovery phase, facilitating the release of growth hormone. This hormone plays a crucial role in supporting the repair and growth of muscles, ensuring your body is ready for the next workout.

Metabolism and Sleep

The influence of good sleep on metabolism is well-documented. Disruptions in sleep patterns can upset the delicate balance of hormones, particularly ghrelin and leptin, which regulate hunger. When these hormones are imbalanced due to poor sleep, it can lead to an increased sense of hunger and potentially impact food choices, making a restful night's sleep crucial for metabolic harmony.

Caloric Expenditure

It's essential to clarify that the act of sleeping itself doesn't contribute to weight gain. Weight management hinges on the equilibrium between calories consumed and calories expended through both physical activity and metabolic processes. Adequate sleep supports overall well-being but doesn't directly contribute to caloric surplus or weight gain.

Consistent Sleep Patterns

Maintaining regular and consistent sleep patterns is vital for overall health. Irregular sleep schedules or insufficient sleep can induce stress and disrupt the body's natural circadian rhythm, potentially affecting weight management. Consistency in sleep patterns promotes stability and contributes to overall well-being.

Exercise Timing

The timing of your exercise routine can impact sleep patterns. Exercising under stress for a race or competition too close to bedtime may elevate adrenaline and heart rate, potentially making it challenging to fall asleep. To optimise sleep quality, concluding intense workouts at least a few hours before bedtime is recommended.

Individual Variability

Responses to the combination of sleep and exercise vary among individuals. While some may find improved sleep quality after exercising, others may need to tailor their routines based on personal preferences and responses. Understanding your body's unique reactions is crucial for optimising both sleep and exercise benefits.

Overall Lifestyle

Weight management is a multifaceted outcome influenced by various lifestyle factors. A holistic approach to health, encompassing diet, exercise, sleep, and stress management, is essential. Striking a balance across these factors is integral to achieving optimal well-being and fostering a sustainable, healthy lifestyle.

Why do I Feel Sleepy After Exercise in the Morning - Conclusion

While discussing the causes of post-workout fatigue, we've discovered a holistic path to invigorating well-being. The tips provided, emphasising quality sleep, balanced fitness routines, and mindful lifestyle choices, underscore the importance of a harmonious approach.

Consistent physical activity, adequate rest, and holistic health practices help you minimise fatigue and enhance vitality. In addition, keeping yourself hydrated and energised with HIGH5 throughout exercise can also help you combat post-workout fatigue. 

Frequently Asked Questions

You may still have some questions about post-workout fatigue. Let's address some of the most frequently asked questions on this topic.

How do I stop being tired after a morning workout?

To stop being tired after a workout, ensure you're hydrating adequately to replace electrolytes lost during training. Refuel with a balanced post-workout snack, and consider adjusting your workout intensity or duration if fatigue persists.

Is it good to sleep after exercise in the morning?

Yes, it can be good to have a brief nap after exercise in the morning. It's normal to feel sleepy due to the release of certain hormones. Having a nap after exercise in the morning can reduce fatigue and help your body recover faster.

How long does exercise fatigue last?

Exercise fatigue lasts for a few hours. Although the duration varies if fatigue persists, evaluate your overall fitness routine and consider rest days.

What are the signs of overtraining?

The signs of overtraining include persistent fatigue, decreased performance, increased resting heart rate, mood disturbances, and prolonged recovery. Listen to your body and adjust your routine accordingly.

What should you not do after a workout?

You should not do excessive static stretching, neglect hydration, skip post-workout nutrition, and overload caffeine or alcohol after a workout.

Why do I feel shaky and weak after a workout?

You feel shaky and weak after a workout because of muscle weakness or low blood sugar. Ensure you're properly fuelled before and after a workout to prevent weakness.

Get 33% off

Sign up to our newsletter and receive 33% off your first order
Hints, tips, special offers and more

You have the right to withdraw your consent and object to our use of your details for marketing purposes at any time. If you wish to amend your marketing choices in the future, please email To know more about how we use your data, please see our Privacy Notice.

Your Basket

You're £35.00 away from free UK shipping!




Looks like you haven't added anything to your basket yet?

Continue shopping

Product added to cart!