Ten years of tracking sleep, still surprised by the basics

I started wearing a heart rate monitor strap back in 2014 to fix my foggy mornings, and it took me until last spring to realize my room temperature was the real problem, not my bedtime. The fix was a $25 wall thermometer and opening my window in the winter, which cut my wake-up grogginess by a LOT. Has anyone else spent years on a fancy biohack before the simple answer smacked them in the face?

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max_cooper216d ago

Thermostat was probably the cheap fix, but humidity matters too.