30/06/2026
Most people think sleep is just "light sleep" and "deep sleep."
But there are actually 4 distinct stages your body needs to cycle through every night — and research shows that women over 50 are far less likely to reach the deepest, most restorative ones.
Stage 3 (deep sleep) is where your body repairs tissue, balances hormones, and consolidates memory. Miss it consistently, and no amount of "8 hours in bed" will leave you feeling rested.
The question isn't how long you sleep. It's how deep.
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