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Waking up at 3–4 AM every night: circadian causes vs blood sugar vs cortisol (how to identify yours)

Waking up around 3–4 AM can be normal once in a while, but if it’s happening most nights and you can’t fall back asleep, there’s usually a pattern behind it....

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Sleep onset insomnia: exact pre-bed actions that reduce time-to-sleep (no supplements)

A practical, clock-based pre-bed routine for sleep onset insomnia—what to do (and what to stop doing) in the last 3 hours before bed, plus the exact “can’t fall asleep” reset...

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