You’ve probably heard of “forever chemicals,” but what exactly are they? These are super-stable chemicals called PFAS (per- and poly-fluoroalkyl substances), used in everyday items like waterproof jackets, non-stick pans, and even firefighting foam. The problem? They stick around—both in the environment and in our bodies—earning them the nickname “forever chemicals.”
How Do They Affect Sleep?
Bad news: forever chemicals don’t just hang out in your body—they mess with your sleep, too. A new study by researchers from the University of Southern California (USC) shows that higher levels of PFAS in your blood could lead to poor sleep. The study found that young adults with more of these chemicals in their blood slept shorter and had lower-quality sleep compared to those with lower levels. We’re talking about 80 minutes less sleep, on average!
The Study: What Did They Find?
The research involved 144 participants, aged 19 to 24, and checked for seven types of PFAS in their blood. Four of these chemicals—PFDA, PFHxS, PFOA, and PFOS—were strongly linked to bad sleep. PFOS, in particular, was connected to trouble falling asleep, waking up multiple times, and feeling exhausted during the day.
How Are PFAS Disrupting Sleep?
Here’s where it gets scientific. The researchers found that these chemicals activate certain genes that impact sleep quality. For instance, one gene, HSD11B1, helps regulate cortisol, the hormone that keeps you awake and alert. Disrupted cortisol levels? Bad news for your sleep. Another gene they found, cathepsin B, is linked to brain issues, including Alzheimer’s.
Can You Reduce PFAS in Your Body?
Right now, there’s not much you can do to lower PFAS levels in your body. However, donating blood regularly might help. But the research isn’t over—scientists are continuing to study how these chemicals mess with our sleep and overall health.
So, keep an eye out for more updates, and maybe check your non-stick pans.





