Insomnia After Working Out – Causes and Solution

There are several reasons why individuals may experience insomnia after a workout. The most common according to Dr. Erig Berg in a short video below is the elasticity of the heart:

Insomnia after a Workout: Possible Contributing Factors:

Several factors may contribute to insomnia after a workout:

  1. Exercise can raise body temperature, heart rate, and hormone levels, including cortisol and adrenaline. These physiological changes can make it challenging for some individuals to fall asleep. It may take several hours for the body to cool down and for hormone levels to return to normal after exercise, which could contribute to insomnia.
  2. The timing and intensity of the exercise can also be a factor in post-workout insomnia. Working out too close to bedtime or engaging in high-intensity exercise can make it difficult for some individuals to relax and wind down, leading to difficulty falling asleep.
  3. Psychological factors such as stress, anxiety, or excitement related to exercise may also contribute to insomnia. For instance, if an individual is anxious about an upcoming competition or worried about not meeting their fitness goals, this could lead to difficulty falling asleep.

It is important to note that not everyone will experience insomnia after exercising, and for some individuals, exercise can actually improve sleep quality.

If you experience insomnia after a workout, it may be helpful to experiment with different types and timing of exercise, as well as relaxation techniques such as stretching or meditation, to find what works best for you.

6 Ways to Avoid Insomnia After Working Out

To prevent insomnia after exercising, there are several strategies you can try. Here are six tips to help you avoid post-workout insomnia:

1. Stay Hydrated

To maintain proper hydration and reduce the risk of insomnia after working out, it’s important to drink plenty of water. Dehydration can cause fatigue and reduce sleep quality.

Aim to drink water consistently throughout the day, rather than waiting until after your workout, to ensure you’re properly hydrated. This can help your body maintain its fluid balance and prevent post-workout insomnia.

2. Try Relaxation Techniques

Anxiety after exercising can contribute to insomnia. To calm your mind and improve sleep, consider incorporating relaxation techniques into your post-workout routine.

Practices such as yoga, meditation, and deep breathing can be particularly helpful in promoting relaxation.

If anxiety persists despite these techniques, consider speaking with a therapist who can help you develop additional coping strategies. By addressing the root causes of anxiety, you can better manage associated insomnia and improve your overall well-being.

3. Limit Caffeine

Caffeine is a stimulant that can interfere with sleep. To reduce the risk of insomnia after exercising, it’s best to avoid consuming coffee, tea, or other caffeinated beverages before your workout.

If you rely on caffeine to power through your workouts, consider gradually reducing your intake and finding other strategies to boost your energy, such as eating a healthy snack or listening to energizing music.

By limiting your caffeine consumption, you can regulate your sleep better and feel more refreshed after your workout.

4. Timing Is Key

The timing of your workout can impact your sleep quality. Exercising late at night can make it difficult to wind down and fall asleep, as it takes time for your body temperature and hormone levels to return to normal after exercise.

To minimize the risk of insomnia, aim to exercise earlier in the day. This can help regulate your body’s natural rhythms and promote better sleep. If you’re unable to fit in a workout earlier in the day, consider a low-impact form of exercise in the evening, such as stretching or gentle yoga, to help your body relax and prepare for sleep.

By prioritizing exercise earlier in the day and winding down appropriately in the evening, you can promote better sleep and overall well-being.

5. Establish a Wind-Down Routine

To prepare your body and mind for restful sleep after exercise, establish a relaxing routine before bed. This can help you unwind from the day’s activities and promote relaxation.

Consider engaging in calming activities such as reading, taking a warm bath, or listening to soothing music. Avoid stimulating activities such as using electronics or watching TV, as these can interfere with your body’s natural sleep rhythms and make it more difficult to fall asleep.

By establishing a consistent wind-down routine before bed, you can signal to your body that it’s time to sleep and promote more restful, restorative sleep after exercise.

6. Choose Low-Intensity Workouts

High-intensity workouts can stimulate the sympathetic nervous system and raise cortisol levels, which can interfere with sleep and cause insomnia.

Instead, choose low-intensity exercises such as walking, yoga, and stretching. These exercises are less likely to stimulate the sympathetic nervous system and interfere with sleep.

Some other Important Issues Related to Workout and Sleep:

1. How late is too late to workout at night?

The National Sleep Foundation advises to not workout after 8 p.m. But there is no definitive answer to how late is too late to workout at night.

Though there are a few things to keep in mind when trying to decide whether or not to work out at night.

First, consider how your body feels. If you’re exhausted, it might be better to postpone your workout until the next day.

Make sure you have enough time to get a good night’s sleep after your workout. Going to bed early is crucial if you want to feel energized and rested the next day.

2. Why does Overtraining Cause Insomnia?

Overtraining can cause several physical and psychological changes that can lead to insomnia.

One of the primary reasons is the disruption of the body’s natural hormonal balance, which can result from the stress and strain of excessive exercise.

This hormonal imbalance can lead to an increase in cortisol levels, which can interfere with the body’s ability to fall asleep and stay asleep.

Additionally, overtraining can cause fatigue and moodiness, which may make it difficult to relax and wind down at night.

This can further disrupt the sleep cycle and contribute to insomnia.

It’s important to note that overtraining can also cause a range of other physical and psychological symptoms beyond insomnia, such as decreased energy levels, muscle soreness, and irritability.

To avoid overtraining and its associated symptoms, it’s essential to listen to your body, give yourself adequate rest and recovery time, and avoid pushing yourself too hard too early in workouts.


If you struggling with insomnia after working out, you’re not alone. This article looked at the causes of insomnia after working out and offered a few solutions.

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Also Read:

Why Do you Feel Sleepy after Exercising in the Morning?