Practical tips to restore your circadian rhythm

In this blog you will discover practical tips on how you can naturally restore your circadian rhythm with light, sleep, food and exercise.

Table of contents

  1. Introduction
  2. The importance of Light
  3. Sleep Hygiene and Routine
  4. Nutrition and Exercise
  5. Conclusion


The circadian rhythm, our biological clock, is essential to our health and regulates our sleep, hormones, appetite and mood on a daily cycle. Modern lifestyles and artificial lighting can disrupt this rhythm, leading to sleep issues, fatigue, and health risks such as obesity and heart disease. Fortunately, lifestyle adjustments such as light exposure and changes in diet and exercise can help synchronize our biological clock, improving sleep quality and well-being. This blog offers practical tips for adjusting your circadian rhythm.

The importance of light

Sunlight and natural light

Light is the most powerful regulator of our circadian rhythm. Exposure to natural light, especially in the morning, helps our bodies signal that it's time to wake up and activates energy production and alertness for the day. Here are some practical tips:

  • Morning walk : Start your day with a short walk outside. This is not only good for your physical health, but the morning light also helps reset your biological clock. In the winter months you can use a light therapy device in the morning to start the day.
  • Work near windows : If you work indoors, try to find a spot close to a window so you get natural light during the day.

Reduce blue light in the evening

Blue light, especially from electronic device screens, can suppress our melatonin production and increase cortisol, making it harder to fall asleep. To reduce this effect:

  • Use blue light filters : Most smartphones, tablets and computers have settings that reduce the amount of blue light. We use the F.lux app for the computer and we also put on blue light filter glasses in the evening.
  • Dim the lighting : Reduce the use of bright lights in your home at night and opt for softer, warmer lighting.

Red light therapy

In addition to natural light and reducing blue light, red light therapy is an emerging method to support circadian rhythm. Red light therapy, offered by devices such as those from Helios Red Therapy, provides wavelengths of light similar to the sunset, which helps promote relaxation and preparation for sleep. Here are some benefits and applications:

  • Promotes sleep : Red light therapy in the evening can stimulate melatonin production and improve sleep quality.
  • Day Start : Red light therapy in the morning can help reduce daytime fatigue and improve energy levels.
  • Easy to use : Helios Red Therapy devices are designed for home use, making it easy to integrate this therapy into your routine.

The combination of natural daylight, reducing blue light exposure in the evening, and using red light therapy with devices like Helios Red Therapy, offers a holistic approach to supporting and restoring your circadian rhythm with light.

Sleep Hygiene and Routine

The importance of a consistent sleep routine

The human body thrives on regularity. A stable sleep routine not only helps regulate your circadian rhythm, but also promotes deeper, more restorative sleep. Here are some ways to build an effective sleep routine:

  • Regular sleep schedule : Try to go to bed at the same time every night and get up at the same time every morning, even on weekends. This consistency strengthens your body's circadian rhythm.
  • Soothing Evening Routine : Develop a series of relaxing nighttime rituals that prepare your body and mind for sleep. This may include reading, meditation, gentle stretching, or listening to soothing music.

Optimizing the sleeping environment

A comfortable, restful sleep environment is fundamental to good sleep hygiene. Here are some suggestions:

  • Cool, dark and quiet : Make sure your bedroom is cool, dark and quiet. Use blackout curtains, earplugs or a white noise machine if necessary.
  • Comfortable bed : Invest in a quality mattress and pillows that suit your sleeping position and preferences.
  • Limit bed activities : Use your bed only for sleeping and intimacy. This helps your brain associate the bed with sleep.

Nutrition and exercise

Nutrition tips for a better circadian rhythm

The timing and composition of your meals can have a profound effect on your sleep-wake cycle. Here are some guidelines for how you can support your circadian rhythm with nutrition:

  • Synchronize meal times : Try to eat at regular times. This helps align your internal clock with your diet, which can help regulate your sleep-wake cycle.
  • Cut back on caffeine and alcohol : As mentioned earlier, caffeine and alcohol can negatively impact your sleep quality. Try to limit its intake, especially in the second half of the day.
  • Sleep-promoting foods : Some foods contain nutrients that can promote sleep. For example, turkey contains tryptophan, an amino acid that helps the body produce melatonin. Magnesium supplementation can also help improve sleep quality.
  • Hydration : Drinking enough water throughout the day can help keep your energy levels stable and prevent fatigue. However, try to limit fluid intake close to bedtime to minimize nighttime awakenings for bathroom visits.

Exercise and physical activity

Exercise has numerous health benefits, including improving sleep quality and regulating circadian rhythm. Here are some specific recommendations:

  • Timing of exercises : Exercise in the morning or early afternoon can help you sleep better at night. Sunlight during a morning walk or run can also strengthen your circadian rhythm.
  • Listen to your body : It's important to find a balance that works for you. Some people find that light exercise in the evening helps them relax, while others find that this actually disrupts their sleep.


Improving your circadian rhythm is crucial for well-being, with light, sleep, nutrition and exercise being important. Adjusting these factors helps optimize your sleep-wake cycle. Change requires time, consistency and patience. Start with small steps and adapt slowly. We encourage you not just to read these tips, but to actually apply them.

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