The Long-Term Impact of Global Warming on Sleep: What You Need to Know

Warwick Jones
Sleep Soundly
Published in
3 min readMay 31, 2024

Discover how rising temperatures are affecting your sleep and what you can do to stay cool and rest better.

Credit: Photo by Annie Spratt

Have you ever struggled to sleep on a hot night? Tossing and turning, trying to get comfortable, and feeling like it’s just too warm to catch any z’s?

You’re not alone, and there’s actually some science behind why those sweltering nights are messing with our sleep.

A fascinating study published in the Proceedings of the Royal Society B has revealed some eye-opening insights into how rising global temperatures can disrupt our sleep patterns.

This research primarily focused on animals (wild boar), but the implications for us humans are pretty clear. Our bodies prefer cooler conditions for sleep, and as the world heats up, our ability to get a good night’s rest is taking a hit.

The Heat and Our Sleep Patterns

So, what exactly is happening? Well, when it’s too warm, our bodies struggle to cool down, which is a crucial part of the sleep process.

Normally, our body temperature drops slightly as we fall asleep, helping us get into that deep, restorative sleep we all need. But when the nights are hot, this cooling process gets interrupted, leading to restless, broken sleep.

Why Should We Care?

Lack of sleep isn’t just about feeling groggy the next day. Consistently poor sleep can lead to a host of health issues, from weakened immunity to increased stress and even weight gain. With global warming making hot nights more common, it’s becoming more important than ever to find ways to keep cool and protect our sleep.

What Can We Do About It?

Don’t worry, though! There are plenty of practical steps we can take to beat the heat and improve our sleep:

  1. Cool Down Your Sleeping Environment: Use fans, air conditioning, or open windows to keep your bedroom cool. Even a slight drop in temperature can make a big difference.
  2. Choose Breathable Bedding: Opt for lightweight, breathable sheets and pajamas made from natural fabrics like cotton or linen. These materials help wick away sweat and keep you cooler.
  3. Stay Hydrated: Drink plenty of water throughout the day to stay hydrated. Avoid caffeine and alcohol before bed, as they can dehydrate you and make it harder for your body to regulate temperature.
  4. Take a Cool Shower: A lukewarm shower before bed can help lower your body temperature and make it easier to fall asleep.
  5. Use Cooling Gadgets: Consider investing in cooling pillows, mattress toppers, or even a cooling mist to spray on your sheets before bed.

The Bigger Picture

While these tips can help in the short term, it’s also important to think about the bigger picture. Climate change isn’t just affecting our sleep; it’s impacting our overall health and well-being.

By advocating for climate action and supporting sustainable practices, we can contribute to a healthier planet and, hopefully, cooler nights ahead.

Final Thoughts

In the end, good sleep is not just a luxury but a fundamental aspect of health. Ensuring a cool, comfortable sleeping environment is an investment in your long-term health and resilience.

So, let’s take those small steps to stay cool and also push for the bigger changes needed to tackle global warming. Here’s to better sleep and a healthier planet!

Note: This article was created with the assistance of AI

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