[quote]In the early 1990s, psychiatrist Thomas Wehr conducted an experiment in which a group of people were plunged into darkness for 14 hours every day for a month. [quote] [quote]It took some time for their sleep to regulate but by the fourth week the subjects had settled into a very distinct sleeping pattern. They slept first for four hours, then woke for one or two hours before falling into a second four-hour sleep. [quote] [quote]Though sleep scientists were impressed by the study, among the general public the idea that we must sleep for eight consecutive hours persists.
When my schedule permits, I always gravitate towards a split sleep schedule.
I'm normal and you're not.