Do Moon Phases Affect Sleep?


Do moon phases affect sleep? This perplexing query has aroused the curiosity of researchers and everyday people for generations. In this comprehensive blog post, we will delve into the complex relationship between lunar cycles and human sleep patterns.

We'll explore various studies that have examined the correlation between lunar cycles and quality of sleep, including research suggesting a decrease in deep sleep during full moons. Additionally, we will discuss how mood swings and crime rate fluctuations may be linked to different moon phases.

The impact of moon cycles on indigenous communities with limited access to electricity will also be addressed, as well as how urbanization levels might play a role in our response towards these celestial influences. Furthermore, we'll compare circadian rhythms with lunar phases by examining hormonal influence on sleep patterns and the role internal circadian clocks play in determining sleep quality.

Finally, we will consider evidence supporting the idea that moon phases do indeed affect human sleeping habits and ponder potential applications for improving insomnia treatment based on this knowledge. So come along with us as we explore this intriguing subject!


Ever feel like you're tossing and turning more during a full moon? You're not alone. A Swiss study found that lunar cycles can affect our sleep patterns, even if we're not aware of it.

Swiss Study Findings on Sleep Duration During Full Moon

Participants in the study took five extra minutes to fall asleep during a full moon and slept 20 minutes less per night. They also experienced 30% less deep sleep compared to other nights. These changes in sleeping habits were observed regardless of whether participants knew the current moon phase or could see it from their bedroom window.

While increased light levels during full moons may play a role, researchers believe that internal hormones involved in our natural circadian rhythms are the primary cause of these effects.

The Role of Circadian Rhythm in the Connection Between Lunar Cycles and Sleep

Our bodies are endowed with an internal timekeeper, the circadian beat, which supervises several physiological operations including slumber. Light exposure is the main impetus of this physiological mechanism, but other elements such as genetics or behavior may also play a role.

  • Melatonin: One key hormone involved in regulating our circadian rhythm is melatonin, often referred to as "the sleep hormone." Melatonin production increases when darkness falls at night, signaling us it's time for bed.
  • Chronobiology: The study of how our biological processes are influenced by the natural environment is called chronobiology. This field has been instrumental in understanding the role that external factors like moon phases may play in influencing human sleep patterns.

While more research is needed to fully understand the connection between lunar cycles and sleep quality, practicing good sleep hygiene can help mitigate any potential disruptions caused by changes in moon phases. To ensure a restful sleep, it is advisable to abstain from stimulants near bedtime, establish an unwavering bedtime regimen, develop a calming pre-sleep routine and create an ideal sleeping atmosphere.

Lunar Effects on Human Behavior

Folklore has often attributed various effects on human behavior, such as mood swings or spikes in crime rates, to Earth's only constant natural satellite, the Moon. Recent scientific studies have provided evidence supporting this notion, showing significant changes occurring when comparing initial baseline measurements taken prior to observation periods with subsequent readings obtained after completion of sessions across multiple sites worldwide.

Mood Swings and Crime Rates Linked to Lunar Phases

It is not uncommon for people to associate certain behaviors like irritability or emotional instability with the moon phases. Some studies have even suggested a connection between full moons and increased crime rates. For instance, a study conducted by the University of Miami found that aggravated assaults were more likely during full moon nights than any other lunar phase. Although these findings are intriguing, it is essential to note that some researchers argue against this correlation due to potential biases in data collection methods.

Researchers across the globe have been exploring how moon phases could possibly affect human behavior. One notable example comes from Japan where researchers discovered an increase in hospital admissions for mental health issues during specific moon phases. Similarly, a study conducted in Germany found that emergency room visits related to alcohol consumption were higher around new moons compared with other times throughout the month.

In addition to these examples from different countries and cultures, research has also explored how our sleep patterns may be affected by lunar cycles - which brings us back around full circle towards understanding how moon phases affect human sleep.

Sleep Patterns Among Indigenous Communities

Researchers tracked the sleeping habits of 98 individuals living within three indigenous Argentinean communities over one-to-two months' timeframes. Each community had varying degrees of accessibility to electricity resources available throughout day-night periods observed. They discovered that limited access affects sleeping habits relative to lunar phases among these populations residing in rural areas lacking modern amenities like electricity.

Study Involving Three Indigenous Argentinean Communities

The study conducted by scientists at Yale University focused on three different indigenous communities: Toba/Qom, Mocovi, and Wichi. These groups live in remote regions with limited exposure to artificial light sources during nighttime hours. By monitoring their sleep patterns using wrist-worn devices called actigraphs, researchers were able to determine how their rest was affected by changes in natural lighting conditions brought about by lunar cycles.

Limited Access Affecting Sleeping Habits Relative To Lunar Phases

The results revealed an interesting pattern: participants' sleep duration decreased around full moons while increasing around new moons - regardless of whether they lived in a community with access to electric lighting or not. This suggests that factors other than artificial light may be responsible for influencing our circadian rhythms and overall sleep quality when considering lunar phase variations.

Our bodies may have evolved to be more responsive to changes in natural light levels, likely due to the importance of maintaining a consistent sleep-wake cycle for health and well-being. In other words, even though we may now live in a world dominated by artificial lighting sources like streetlights and electronic devices, our internal biological clocks could still be influenced by the moon's changing illumination.

While further research is needed to fully understand how lunar cycles impact human behavior and sleep patterns across different populations worldwide, these findings offer valuable insights into the complex relationship between our environment and biology. By practicing good sleep hygiene habits such as maintaining a regular bedtime routine or limiting exposure to screens before bed, individuals can work towards improving their overall sleep quality - regardless of whether they are affected by full moons or not.

Sleep Patterns Among Indigenous Communities

Did you know that the moon phases can affect human sleep? A study was conducted involving three indigenous Argentinean communities to explore the relationship between the lunar cycle, access to electricity, and sleeping habits. The study revealed that sleep was considerably impacted by the lunar cycle, with individuals taking more time to drift off and getting less rest during full moons. This occurred regardless of access to electricity or artificial light sources at night, suggesting that natural moonlight plays a significant role in influencing human sleep behavior.

The study provides valuable insights into how our ancestors may have adapted their sleep habits based on environmental cues such as moon phases before modern technology altered these rhythms. This research not only highlights the potential impact of moon cycles on human sleep but also emphasizes the importance of considering cultural and environmental factors when studying this phenomenon.

Key Findings from the Study

  • The sleep patterns of all three communities were significantly affected by the lunar cycle, with participants taking longer to fall asleep and sleeping less during full moons.
  • These changes occurred regardless of access to electricity or artificial light sources at night, suggesting that natural moonlight plays a significant role in influencing human sleep behavior.
  • The study provides valuable insights into how our ancestors may have adapted their sleep habits based on environmental cues such as moon phases before modern technology altered these rhythms.

Researchers from the University of Washington also discovered that human sleep patterns are synchronized with lunar phases regardless of ethnic background or level of urbanization. This suggests that people across cultures may be inherently attuned to changes brought about by Earth's celestial companion throughout its monthly orbit around us.

While the exact reason behind these sleep pattern changes remains unknown, it is essential to continue exploring potential factors contributing to this phenomenon - including practicing good sleep hygiene and understanding how our bodies respond differently based on environmental cues such as moon phases.

As research progresses, it appears more likely that a greater bond exists between the moon's cycle and our sleep patterns than was initially assumed. By continuing to study diverse populations and considering various factors impacting our daily lives, researchers can gain valuable insights into improving overall health and well-being through better understanding of natural rhythms like those governed by Earth's only constant natural satellite - the Moon.

Synchronization With Lunar Phases Across Cultures

Recent research shows that people from different cultures and living environments experience similar changes in their sleep habits according to the moon cycle. This suggests that our connection with the Moon may be more deeply ingrained than previously thought, transcending geographical boundaries and societal influences.

Sleep Patterns Synchronized With Lunar Phases Across Cultures

  • American college students: A study found that Seattle-area college students experienced decreased sleep quality nights before full moons. This group represents an urbanized population exposed to artificial light sources at night.
  • Indigenous communities in Argentina: Researchers monitored three Indigenous communities in northeast Argentina who had varying degrees of access to electricity resources throughout day-night periods observed. Similar patterns emerged among these populations residing in rural areas lacking modern amenities like electricity.
  • Cross-cultural comparison: Despite differences in lifestyle and environmental factors, both groups showed consistent changes in their sleeping habits relative to lunar phases - particularly around full moons when they experienced reduced sleep quality.

Circadian Clocks as Potential Internal Influences

While the University of Washington study provides valuable insights into how moon phases affect human sleep, some experts argue that it does not fully account for the role of internal factors like circadian clocks. These biological timekeepers regulate various physiological processes, including our sleep-wake cycle, and are influenced by external cues such as light exposure.

It is possible that lunar cycles could indirectly impact our circadian rhythms through changes in nighttime illumination levels or other environmental factors. For example, increased ambient light during full moons might suppress melatonin production - a hormone responsible for regulating sleep - leading to disrupted slumber. More research is needed to ascertain a causal relationship between lunar cycles and circadian rhythm regulation.

Practicing Good Sleep Hygiene Regardless of Moon Phases

Although we may not yet fully understand the mechanisms behind how moon phases affect our sleep patterns, there are steps we can take to ensure better rest regardless of the lunar cycle:

  1. Maintain consistent bedtimes: Going to bed and waking up at the same time each day helps reinforce your body's natural circadian rhythm.
  2. Create a conducive sleeping environment: Keep your bedroom dark, cool, quiet, and comfortable to promote optimal relaxation before bedtime.
  3. Limit screen time before bed: The blue light emitted from electronic devices can interfere with melatonin production; consider setting aside screens an hour before you plan on falling asleep.
  4. Incorporate relaxation techniques: Practices such as meditation or deep breathing exercises can help calm the mind and prepare your body for restful sleep.
  5. Consider natural sleep aids: If you struggle with falling asleep or staying asleep, products like Cibdol CBD oil may help promote relaxation and improve overall sleep quality without causing dependency or side effects associated with conventional sleeping pills.

In conclusion, while more research is needed to fully understand how moon phases affect our slumber, it's essential to prioritize practicing good sleep hygiene habits regardless of the lunar cycle. By taking proactive steps towards better rest, we can ensure that we're well-equipped to face each day - full moon or not.

The Full Moon's Impact on Sleep Quality

A recent study revealed that people have trouble sleeping during the days leading up to full moons. Tracking three Indigenous communities in northeast Argentina and 464 Seattle-area college students showed a pattern of decreased sleep quality nights before full moons. Several hypotheses have been put forward to explain the cause of this phenomenon.

Decreased Sleep Quality Before Full Moon

Researchers found that both the Argentinean indigenous communities and the Seattle-based college students experienced a decrease in sleep quality as they approached a full moon. Participants took an average of five minutes longer to fall asleep and slept about 20 minutes less per night during these periods. Additionally, deep sleep was reduced by approximately 30%, which can significantly impact overall restfulness and well-being.

This decline in sleep quality may be due to various factors such as increased light levels from the moon or changes in human behavior related to lunar cycles. However, these findings are not conclusive, and further research is needed to determine causality.

Possible Reasons Behind The Impact Of Lunar Cycles On Sleep

  1. Moonlight: One theory suggests that bright moonlight might interfere with our ability to fall asleep quickly or stay asleep throughout the night. This idea stems from our ancestors who relied on natural light sources like sunlight and moonlight for their daily activities.
  2. Circadian Rhythm Disruption: Another possibility involves disruptions within our internal circadian clocks caused by changes in melatonin production related to lunar phases affecting human sleep patterns. Learn more about circadian rhythms here.
  3. Lunar Gravitational Pull: Some researchers propose that the moon's gravitational pull may affect our bodies in subtle ways, potentially influencing sleep quality. However, this theory has not been proven and requires further investigation.
  4. Cultural Beliefs And Superstitions: Finally, cultural beliefs and superstitions surrounding full moons might contribute to changes in sleep behavior. For example, some people believe that full moons can cause mood swings or heightened emotions which could disrupt their ability to fall asleep easily.

While these theories provide potential explanations for the observed connection between lunar cycles and human sleep patterns, more research is needed to determine the exact causes of this phenomenon.

Tips For Practicing Good Sleep Hygiene During Full Moons

If you're having difficulty sleeping during certain moon phases or just looking to enhance your sleep quality, think about following good sleep habits. Here are a few tips:

  • Maintain a consistent bedtime routine: Going to bed at the same time every night helps regulate your circadian rhythm and improves overall sleep quality.
  • Create a comfortable sleeping environment: Ensure your bedroom is cool, dark (consider using blackout curtains), and quiet for optimal restfulness.
  • Avoid stimulating activities before bedtime: Limit exposure to screens (TVs, computers) within an hour of going to bed as they emit blue light which can interfere with melatonin production - making it harder for you to fall asleep. Read more about blue light here.

FAQs in Relation to Do Moon Phases Affect Sleep

Does the full moon cause insomnia?

Yes, the full moon phase is associated with causing insomnia and disrupted sleep patterns.

Why does the full moon affect sleep?

The full moon can disrupt sleep due to its influence on human behavior and hormonal changes, such as decreased melatonin levels.

What is lunar insomnia?

Lunar insomnia is poor-quality sleep that occurs during specific phases of the lunar cycle, particularly during a full moon.

Does the waning moon affect sleep?

While anecdotal reports suggest improved sleep during the waning moon, more research is needed to understand how different lunar phases impact sleep quality.


Studies suggest that lunar cycles can impact the quality of our sleep, with full moons leading to less deep sleep and increased daytime fatigue.

But the moon's influence doesn't stop there - it's also been linked to changes in human behavior, including mood swings and crime rates, and appears to have a greater impact on indigenous communities with limited access to electricity.

Sign up to our newsletter and enjoy 10% off one order

Which product do I need?
As Seen On: