Person sleeping soundly in a cool, dark room

Climate change

is climate change affecting your sleep

By Dr. Anya Sharma

Published: 11 Mar 2025

Last night, I tossed and turned for hours. It wasn't stress, not really. I just couldn't seem to fall asleep, or stay asleep. And it hit me: This has been happening more and more lately. Is it just me, or is something else going on? Turns out, my sleep problems might be a tiny piece of a much larger puzzle – the puzzle of climate change. Crazy, right? But hear me out...
Person awake in bed at night, looking concerned

Person awake in bed at night, looking concerned | Image: Supplied

Climate Change and Sleep: The Unexpected Connection

It sounds far-fetched, I know. But recent studies are showing a link between our changing climate and our sleep quality. Think about it: extreme heat, wildfires, erratic weather patterns, increased air pollution – these are all becoming more common, and they're directly impacting our sleep. One study showed that for every degree Celsius increase in temperature at night, sleep is reduced by almost an hour! Brutal.

Graph showing correlation between temperature and sleep duration

Graph showing correlation between temperature and sleep duration | Image: Supplied

Heat's Impact: More Than Just a Sweat-Fest

Let's start with heat. When temperatures soar, it becomes much harder for our bodies to regulate their temperature overnight. We spend the night tossing and turning, trying to find that elusive cool spot. This leads to lighter, less restful sleep, and you wake up feeling groggy and exhausted. It's not just uncomfortable; it's actively disrupting our sleep cycles. I've personally noticed this; I swear the nights are getting hotter, making it hard to sleep sometimes. It's frustrating!

Person fanning themselves in bed

Person fanning themselves in bed | Image: Supplied

Air Quality Woes: Breathing Easy, Sleeping Soundly?

Air pollution, often worsened by climate change, is another sneaky culprit. Increased levels of pollutants can trigger respiratory issues, leading to coughing, sneezing, and difficulty breathing, all of which make it difficult to sleep. Also, it can affect our brain health, impacting the quality of sleep. If you suffer from allergies and asthma, you've probably already felt the effects, and it’s only going to get worse. Are you noticing a change in your sleeping pattern during these seasons?

Smoggy city at night

Smoggy city at night | Image: Supplied

Natural Disasters: The Sleep-Stealing Side Effects

Then there are the more dramatic events – wildfires, floods, extreme weather. These can not only cause displacement and trauma, but disrupt our sleep patterns in the long term. The anxiety, stress, and uncertainty surrounding these events can lead to insomnia and other sleep disorders. Even if you aren't directly affected, the news coverage and fear surrounding these events can mess with your sleep. I know it does for me!

News report about a natural disaster

News report about a natural disaster | Image: Supplied

What Can You Do?

Feeling powerless? Don't be! Here are a few things you can do:

  • Keep your cool: Invest in blackout curtains, fans, or air conditioning to keep your bedroom cool, especially during heatwaves.
  • Improve your air quality: Use air purifiers, especially if you live in a polluted area.
  • Manage stress: Practice relaxation techniques like meditation, yoga, or deep breathing.
  • Seek professional help: If you're struggling with chronic sleep problems, don't hesitate to reach out to a doctor or sleep specialist. You’re not alone in this, and seeking professional help is a smart and courageous thing to do.

These small changes can significantly improve your sleep quality. It's about taking control of what you can control.

Person meditating in a bedroom

Person meditating in a bedroom | Image: Supplied

The Bigger Picture: Our Collective Responsibility

It's easy to feel overwhelmed by the enormity of climate change. But by making conscious choices in our daily lives—reducing our carbon footprint, supporting sustainable practices, advocating for climate action—we can make a difference. Ultimately, it's about creating a healthier environment for ourselves and for future generations. And a good night's sleep is a pretty good start, don't you think? What steps will you take to secure a better future and a better night's sleep?

People participating in a climate change protest

People participating in a climate change protest | Image: Supplied

“The Earth provides enough to satisfy every man’s needs but not every man’s greed.” – Mahatma Gandhi

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