... hard bedtime feels impossible, a fixed wake time is easier to hold, and the bedtime tends to follow it within a couple of weeks. And on the hair you mentioned further down, chronic short sleep and raised cortisol are genuinely linked, so I would treat that as a signal rather than a coincidence. Comment from Arnold Oshenye(@oshylabs): Mine is 10 to 12 hours most days, a full time data job and then building products in the evenings ...

... Comment from Ashir Murtaza(@ashir_murtaza1): I like the idea of being more intentional with caffeine instead of just reactive. Comment from oana clopotel(@oana_clopotel): @joe_griff  Indeed. And even the type of work matters. Deep focus vs. quick reactive calls probably don't need the same dose or timing. Most people just drink coffee when they're tired. There's a lot of room between that and actually using it as a tool. Comment from oana clopotel ... ... oana_clopotel): The timing piece is what most people get wrong. Caffeine too early blunts the natural cortisol

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