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The Full Moon Really Could Be Messing With Your Sleep
As the so-called Wolf Moon approaches, you might find you’re not getting as much shut-eye as you’d like. But don’t worry, on this occasion it’s probably not because of the pandemic or work worries. You can blame the full moon.
A new study has found that in the days leading up to a full moon, people go to sleep later in the evening and sleep for shorter periods of time – regardless of whether they live in cities or the countryside. Researchers believe this may be due to increased light exposure, however other studies suggest humans are simply attuned to the moon’s cycle.
The next full moon in the UK is on Thursday January 28 and will appear for roughly three nights. This winter moon is known colloquially as Wolf Moon, it’s thought because wolves used to be heard howling at this time – whether from hunger or to bond with the pack.
But back to your sleep! What else do you need to know?
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Human sleep cycles oscillate during the 29.5-day lunar cycle, the paper published in Science Advances revealed. This may indicate our natural circadian rhythms are synchronised with, or entrained to, the phases of moon.
A research team, led by Professor Horacio de la Iglesia, an expert in biology from the University of Washington, observed later bedtimes and shorter sleep periods in urban and rural settings.
Using wrist monitors, the team tracked sleep patterns among 98 people living in three Toba-Qom Indigenous communities in the Argentine province of Formosa. One rural community had no electricity access, a second rural community had only limited access, while a third community lived in an urban setting with full access to electricity (and therefore artificial light).
For nearly three-quarters of the Toba-Qom participants, researchers collected sleep data for one to two whole lunar cycles. They saw the...
