04/21/2026
Sleep isn’t controlled by just one system.
It’s influenced by the brain, hormones, and the body’s stress response.
Progesterone helps promote deeper sleep.
Estrogen helps stabilize sleep cycles.
When these hormones fluctuate during perimenopause, sleep can become lighter and more disrupted.
That’s why many women suddenly start waking up during the night or feel like their sleep quality has changed.
If this sounds familiar, you’re not alone.
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