Why Exercise Might Be Causing Your Insomnia: Tips for Better Sleep - Psychiatry

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Insomnia after exercise?


Hello, doctor: I have poor sleep quality and thought that exercising might help improve it.
However, I don't usually exercise, and after my first workout (jogging for about 40 to 50 minutes), I experienced insomnia (around age 20).
I assumed it was due to the high intensity of the exercise.
Recently, I've been walking briskly for about 40 to 50 minutes each time, but I still have trouble falling asleep at night, and I feel mentally unwell the next day.
I've heard that exercising too late can affect sleep, but I always exercise during the day, finishing before 5 PM.
One possible reason I considered is caffeine.
If this is a contributing factor: can I drink it on days when I don't exercise? If I do exercise, should I avoid it all day or just after the workout? Additionally, what other methods or tests can help me overcome this issue? I plan to gradually increase my exercise intensity to manage my weight, but if my situation doesn't improve, I feel like I'm going in the wrong direction.

Mr. Hsu, 20~29 year old female. Ask Date: 2019/01/21

Dr. Huang Xiaoxian reply Psychiatry


Dear Mr.
Hsu,
Thank you for your inquiry.
Poor sleep quality is indeed a common concern for many people, and regular exercise can help improve sleep.
However, the benefits of exercise typically take some time to manifest, as it helps enhance your basal metabolic rate and prevents excessive lactic acid accumulation.
Therefore, maintaining your exercise routine is a good approach, and the intensity of jogging is generally manageable, so I recommend continuing with it.

On the other hand, individuals with insomnia often resort to coffee for stimulation, but even consuming it in the morning can still affect nighttime sleep.
I suggest gradually reducing your coffee intake and avoiding strong coffee and tea.
If these measures still yield limited improvement, I recommend visiting a clinic to evaluate the underlying causes of poor sleep quality and receive appropriate assistance.

Wishing you all the best.

Reply Date: 2019/01/21

More Info


Exercise is often recommended as a way to improve sleep quality, but for some individuals, it can paradoxically lead to insomnia. This can be particularly true for those who are not accustomed to regular physical activity. In your case, it seems that despite your efforts to incorporate exercise into your routine, you are experiencing difficulties with sleep. Let’s explore some potential reasons for this and offer some tips for better sleep.


Reasons Exercise Might Be Causing Insomnia
1. Intensity and Duration: If you are new to exercising, even moderate activities like brisk walking or jogging for 40-50 minutes can be taxing on your body. This can lead to muscle soreness or fatigue that may disrupt your ability to relax and fall asleep. It’s important to gradually increase the intensity and duration of your workouts to allow your body to adapt.

2. Timing of Exercise: While you mentioned that you exercise during the day, the timing can still play a role in your sleep patterns. Some individuals may find that exercising too close to bedtime can elevate their heart rate and body temperature, making it difficult to wind down. Although you are exercising in the afternoon, consider experimenting with different times to see if it affects your sleep.

3. Caffeine Consumption: Caffeine can significantly impact sleep quality. If you consume caffeine, even in the morning, it can linger in your system and affect your ability to fall asleep later. If you are exercising, it might be beneficial to reduce your caffeine intake, especially in the hours leading up to bedtime. If you feel the need for caffeine on days you do not exercise, try to limit it to the morning.

4. Anxiety and Stress: Sometimes, the anticipation of exercise or the stress of daily life can lead to anxiety, which in turn can affect sleep. If you are feeling anxious about your exercise routine or other life factors, this could be contributing to your insomnia.


Tips for Better Sleep
1. Establish a Routine: Consistency is key when it comes to sleep. Try to go to bed and wake up at the same time every day, even on weekends. This helps regulate your body’s internal clock.

2. Create a Relaxing Bedtime Environment: Make your bedroom conducive to sleep. This includes keeping the room dark, quiet, and cool. Consider using blackout curtains, earplugs, or a white noise machine if necessary.

3. Limit Screen Time Before Bed: The blue light emitted by screens can interfere with melatonin production, making it harder to fall asleep. Try to avoid screens for at least an hour before bedtime.

4. Incorporate Relaxation Techniques: Engage in calming activities before bed, such as reading, meditating, or practicing gentle yoga. Deep breathing exercises can also help reduce anxiety and prepare your body for sleep.

5. Monitor Your Diet: In addition to caffeine, be mindful of your overall diet. Heavy meals, alcohol, and sugary snacks close to bedtime can disrupt sleep. Aim for a light snack if you’re hungry.

6. Consider Professional Help: If your sleep issues persist despite making these changes, it may be beneficial to consult a healthcare professional. They can help identify any underlying issues and provide tailored advice or treatment options.

7. Keep a Sleep Diary: Documenting your sleep patterns, exercise routines, and daily caffeine intake can help you identify any correlations between your activities and sleep quality. This information can be valuable when discussing your sleep issues with a healthcare provider.

In conclusion, while exercise is generally beneficial for sleep, it’s important to approach it mindfully, especially if you are new to it. By adjusting your routine, monitoring your caffeine intake, and incorporating relaxation techniques, you may find improvements in your sleep quality. If problems persist, seeking professional advice can provide further insights and solutions.

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