Can we define what is a B-person??
Till Roenneberg et al. in Munich, based on more than 25000 questionnaires, have defined chronotypes thusly:
Those who sleep 8 hours starting 20:30 through 00:00 are early types = 46,5 %
Those who sleep 8 hours starting 00:30 or 01:00 are normal = 28,5 %
Those who sleep 8 hours starting 01:30 through 05:30 are late types = 25%
This seems skewed to me. I don't consider those who go to sleep at midnight to be A-persons.
Using the Munich figures in a more reasonable (to me) way:
Those who sleep 8 hours starting 20:30 through 23:00 are early types = 15,0 %
Those who sleep 8 hours starting 23:30 through 00:30 are normal types = 47,5 %
Those who sleep 8 hours starting 01:00 through 05:30 are late types = 37,5 %
What do you think? What's "normal" and what's B?
DSPS, 02 November 2009
My blog: http://delayed2sleep.wordpress.com
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the B person
I think there is not a strict rule to a B person, because that's exactly what the B person is like, she or him wants to be flexibel and not to stick to a scheduled sleep or the 9 to 5 job. I think it's more a question of taking your own responsibility for certain tasks or a job and realizing your own best personal time fit for getting it done successfully and having fun doing it.