Many of us are walking around all the time in a fog caused by "social jetlag." That's what happens when we lose sleep because our daily schedules don't match our bodies' natural rhythms. The condition can be a particular problem for shift workers, who work into the night or on a shifting schedule. Now, researchers report in the Cell Press journalCurrent Biology on March 12 that sleep and workers' general wellbeing could be improved if work schedules took workers' biological clocks into account.
"A 'simple' re-organization of shifts according to chronotype allowed workers to sleepmore on workday nights," says Till Roenneberg of Ludwig-Maximilian-University in Germany. "As a consequence, they were also able to sleep less on their free days due to a decreased need for compensating an accumulating sleep loss. This is a double-win situation."
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