Science, Space and Technology News 2023
A new analysis of pilot studies on night shift naps conducted from 2012 to 2018 revealed the ideal snoozing strategy that could mitigate sleepiness and fatigue throughout a 16-hour night shift. The findings can also benefit new parents.
In Japan, nurses are typically allowed to sleep up to two hours during 16-hour night shifts. Oriyama wanted to find out which napping schedule is the best in fighting off sleepiness and diminished cognitive function during such grueling work hours. And while at it, figure out how sleep quality factors in.Oriyama reexamined past pilot studies she co-authored to compare alertness and cognitive performance after taking a nap and throughout a simulated 4 p.m. to 9 a.m. shift.
“During a night shift that, for example, lasts from 4 p.m. to 9 a.m. the next morning, a split nap of 90 minutes and 30 minutes, ending at 12 a.m. and 3 a.m., respectively, is thought to be more effective than a 120-minute monophasic nap ending at 12 a.m. when tasks requiring quick responses to maintain a high level of safety are scheduled between 2 a.m. and 9 a.m.,” Oriyama said.Both the single and split naps did not result in improved cognitive task performance.
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