Learn how to reset your circadian rhythm naturally with simple habits to improve sleep, energy, and metabolism in daily life. 

Reset Your Circadian Rhythm for Better Sleep & Energy 

Your circadian rhythm influences more than just sleep. It affects energy, metabolism, hormone balance, and how your body recovers each day. When it’s aligned, you feel more focused, rested, and resilient. When it’s not, even simple routines can feel harder. 

Struggling to fall asleep at night but exhausted during the day? Waking up tired even after a full night’s rest? Hitting a wall every afternoon? 

These could be signs that your circadian rhythm—your body’s internal clock—is out of sync. 

This 24-hour system regulates sleep, hormone release, metabolism, body temperature, immune activity, and cellular repair [1]. In today’s always-on environment, it’s easier than ever to disrupt. Artificial light, late-night screens, irregular schedules, indoor lifestyles, and late meals can all send mixed signals to the body. Over time, this misalignment can contribute to poor sleep, fatigue, metabolic issues, and even immune dysfunction [2]. 

The encouraging part? Your body can reset—if you give it the right signals. 

What is Circadian Rhythm? 

Circadian rhythm is the body’s internal timing system, designed to follow a roughly 24-hour cycle. It is regulated by a small region in the brain that acts as a “master clock,” coordinating daily biological processes based on environmental cues like light and darkness [3]. 

Morning light signals the brain to reduce melatonin (the sleep hormone) and increase alertness. As darkness falls, melatonin rises to prepare the body for rest. 

Circadian rhythm also plays a key role in metabolism. Many metabolic processes are timed throughout the day, meaning when you eat can influence how efficiently your body processes nutrients [4]. 

Hormones follow this rhythm as well. Cortisol typically peaks in the morning to help you wake up, while growth hormone and cellular repair processes increase during deep sleep at night [5]. 

When these systems are aligned, the body functions efficiently. When they are not, the body receives conflicting signals. 

Why Circadian Rhythm Gets Disrupted Today 

Modern lifestyles often work against the body’s natural timing. 

The most common disruptors include: 

• Artificial light after sunset
  Electric lighting extends the day beyond natural limits, weakening the body’s signal to wind down. 
• Screen exposure at night
  Blue light from phones, tablets, and computers can delay melatonin release and reduce sleep quality [6]. 
• Irregular sleep schedules
  Going to bed and waking up at inconsistent times can create misalignment between your internal clock and daily routines. 
• Indoor lifestyles
  Indoor light is significantly dimmer than natural daylight, reducing the strength of circadian signals. 
• Late-night eating
  Eating late in the evening can disrupt metabolic rhythms and impair glucose regulation [7, 8]. 

Over time, these factors can gradually desynchronize the body’s internal clock. 

Signs Your Circadian Rhythm May Be Off 

When circadian rhythm is disrupted, the effects often show up in everyday patterns: 

• Difficulty falling asleep
• Waking during the night
• Feeling groggy in the morning
• Afternoon energy crashes
• Brain fog or difficulty concentrating 

These symptoms often reflect a mismatch between your internal clock and your daily habits. 

How Circadian Rhythm Affects Sleep, Hormones, & Metabolism 

Circadian rhythm influences multiple systems that shape how you feel and function. 

Sleep Quality 

Studies show that when circadian timing is aligned with your sleep schedule, the body is more likely to enter deeper, more restorative sleep stages [9]. 

Hormone Support 

Circadian signals help support hormones like cortisol, leptin, and ghrelin, which influence energy, stress response, and appetite. 

Metabolism 

Circadian misalignment has been shown to affect glucose tolerance and insulin sensitivity, increasing metabolic strain [10]. 

Immune Function 

Immune activity follows daily rhythms, influencing inflammatory response and the body’s ability to respond to stress [11]. 

Cellular Repair 

Processes such as cellular repair, antioxidant defense, and healthy tissue renewal are timed to occur during specific phases of the circadian cycle. 

When circadian rhythm is aligned, these systems work together efficiently. When disrupted, performance across all of them can decline. 

How to Reset Your Circadian Rhythm Naturally 

Resetting your circadian rhythm doesn’t require extreme changes. It comes down to consistently sending your body clear signals about when to be alert and when to rest. 

Morning: Set Your Internal Clock 

Your morning habits have the strongest influence on circadian rhythm. 

• Get sunlight within 30 minutes of waking
  Natural light helps suppress melatonin and signals the start of the day. Even 10–15 minutes outdoors can make a difference. 
• Eat breakfast at a consistent time
  Food acts as a metabolic cue, helping reinforce internal timing. 
• Include protein in the morning
  Protein supports healthy blood sugar and sustained energy. A balanced breakfast that includes high-quality protein, such as Shaklee Life Shake™, can help provide amino acids, fiber, and micronutrients that support metabolism. 

Daytime: Reinforce Energy & Alertness 

Daytime habits strengthen your rhythm and set the stage for better sleep. 

• Move your body during daylight hours
  Physical activity supports alertness and improves sleep quality. 
• Spend time outdoors when possible
  Natural daylight provides stronger circadian signals than indoor lighting. 
• Be mindful of caffeine timing
  Caffeine can be helpful earlier in the day, but consuming it late in the afternoon may interfere with sleep. 

Evening: Prepare the Body for Rest 

Evening habits help the body transition into sleep mode. 

• Dim lights after sunset
  Lower light levels signal that it’s time to wind down. 
• Limit screen exposure before bed
  Reducing blue light exposure helps prevent delays in melatonin release. 
• Maintainconsistent sleep and wake times
  Consistency is one of the most effective ways to reset circadian rhythm. 

Support Your Rhythm with Nutrition 

In addition to daily habits, good nutrition can support circadian health. 

• Magnesium for relaxation
  Magnesium supports nervous system regulation and has been associated with improved sleep quality [12]. For those who may not get enough through diet alone, a supplement such as Sustained Release VitalMag® may help support relaxation as part of a bedtime routine. 
• Foundational nutrition for cellular support
  Vitamins, minerals, and antioxidants support cellular energy production and metabolic processes tied to circadian rhythm. Comprehensive nutritional support, such as Shaklee Vitalizer™, can help fill potential gaps. 

Small Daily Habits Make the Biggest Difference 

Your circadian rhythm is one of the most powerful regulators of how you feel each day—from sleep quality to energy stability. 

While modern life can easily disrupt it, small, consistent habits can help bring your rhythm back into alignment. 

Morning light, consistent meals, daily movement, and supportive nutrition all work together to reinforce your body’s natural timing. Over time, these simple shifts can lead to more restful sleep, steadier energy, and improved overall well-being. 

Support your natural rhythm with daily habits and foundational nutrition that help your body function at its best. 

References  

1. Potter, G.D., et al.,Circadian Rhythm and Sleep Disruption: Causes, Metabolic Consequences, and Countermeasures.Endocr Rev, 2016. 37(6): p. 584-608. 
2. Morris, C.J., et al.,Effects of the Internal Circadian System and Circadian Misalignment on Glucose Tolerance in Chronic Shift Workers.J Clin Endocrinol Metab, 2016. 101(3): p. 1066-74. 
3. Park, H.R., et al.,Effects of Evening Exposure to Light from Organic Light-Emitting Diodes on Melatonin and Sleep.J Clin Neurol, 2020. 16(3): p. 401-407. 
4. Panda, S.,Circadian physiology of metabolism.Science, 2016. 354(6315): p. 1008-1015. 
5. Bowles, N.P., et al.,The circadian system modulates the cortisol awakening response in humans.Front Neurosci, 2022. 16: p. 995452. 
6. Chang, A.-M., et al.,Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness.Proceedings of the National Academy of Sciences, 2015. 112(4): p. 1232-1237. 
7. Garaulet, M. and P. Gómez-Abellán,Timing of food intake and obesity: a novel association.Physiol Behav, 2014. 134: p. 44-50. 
8. Chellappa, S.L., et al.,Daytime eating prevents internal circadian misalignment and glucose intolerance in night work.Sci Adv, 2021. 7(49): p. eabg9910. 
9. Wright, K.P., Jr., et al.,Entrainment of the human circadian clock to the natural light-dark cycle.Curr Biol, 2013. 23(16): p. 1554-8. 
10. Scheer, F.A., et al.,Adverse metabolic and cardiovascular consequences of circadian misalignment.Proc Natl Acad Sci U S A, 2009. 106(11): p. 4453-8. 
11. Curtis, A.M., et al.,Circadian clock proteins and immunity.Immunity, 2014. 40(2): p. 178-86. 
12. Abbasi, B., et al.,The effect of magnesium supplementation on primary insomnia in elderly: A double-blind placebo-controlled clinical trial.J Res Med Sci, 2012. 17(12): p. 1161-9.