That absolutely does not make sense even on it's own. What is "the sun's natural time" supposed to mean? That seems to suggest that anyone not waking up at whatever Dr. Roenneberg considers the correct time is "misaligned." Not only does he not consider variance within times zones, he doesn't consider variance within schedules.
Depending on schedule, location, and plain personal preference, any number of time schemes could be "the best" for any given person. Ultimately it doesn't matter whose on what time as long as we are standardized to reasonable large areas, and pick something that's within a few hours of most people's ideal.
Roenneberg isn't stupid. He is saying that biological time and social time are such that setting clocks closer to solar time ends up being healthier for more people.
Also Roenneberg is quite clearly aware of the variance of daylight within time zones and the health effect that this causes. I bet he's even written papers on this effect!
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That absolutely does not make sense even on it's own. What is "the sun's natural time" supposed to mean? That seems to suggest that anyone not waking up at whatever Dr. Roenneberg considers the correct time is "misaligned." Not only does he not consider variance within times zones, he doesn't consider variance within schedules.
Depending on schedule, location, and plain personal preference, any number of time schemes could be "the best" for any given person. Ultimately it doesn't matter whose on what time as long as we are standardized to reasonable large areas, and pick something that's within a few hours of most people's ideal.
Roenneberg isn't stupid. He is saying that biological time and social time are such that setting clocks closer to solar time ends up being healthier for more people.
Also Roenneberg is quite clearly aware of the variance of daylight within time zones and the health effect that this causes. I bet he's even written papers on this effect!