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>Once you have a consistent schedule, barring medical issues, sleeping is easy I respect your personal experience, but you are coming on a little strong in terms of assuming everyone is just like yourself. Something I've seen other people mention, and may have myself (although not formally diagnosed): https://en.wikipedia.org/wiki/Delayed_sleep_phase_disorder I have worked 8-5, 2-11, and 11-8, and no matter what my schedule was, I had the urge to stay up a little later, but needed at least 8 hours to feel adequately rested. So typically I would get 7 hours or so and feel exhausted every morning. Without work or appointments, I would rotate my schedule around the clock, day by day. It's as if I was tuned to a planet with a slightly longer day. After many, many years, I found by accident that bupropion (aka Zyban aka Wellbutrin) fixed it, just like that. It was amazing. But I wasn't able to tolerate a full dosage, so that didn't last. It does point to some dysfunction of nicotinic receptors. |
This was actually a significant point of contention between myself and my advisor, who interpreted my working late at the lab as though I was trying to cram extra time to make up for not being there otherwise, or something. Those are just my most productive hours ¯\_(ツ)_/¯ but to him I was lazy and irresponsible.
My natural sleep period seems to be around 9 hours. I can make myself do 7 (I currently keep a ~1:30am-9am schedule, with some effort), but anything less has noticeable effects on my cognitive state, and I still start getting tired again around 5pm. If I do sleep at 5pm, I'll wake somewhere between 11pm and 2am, which is bad but in the other direction. So I have to fight through the late-afternoon slump. It's very easy to knock me off of this schedule, and I've been keeping it for two years since I left grad school.
Sleep disorders are real, and they are not simply symptoms of a poor work ethic.