After a restless night, it's tempting to promise yourself an early bedtime next time. But research shows that even 16 minutes less sleep than usual can impair your performance the next day.
We've all had those rough nights. You haul yourself out of bed, down a strong coffee, and hope to power through. Yet studies reveal it's tougher than that.
Experts from Penn State University and the University of South Florida investigated how sleep influences daily energy and concentration. They tracked participants over eight days, surveying bedtime, nighttime awakenings, sleep quality, and next-day functioning.
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The findings? Days after subpar sleep, participants experienced more concentration issues than usual. Waking just 19 minutes earlier or sleeping 16 minutes less led to reduced energy and focus the next day—particularly on workdays.
Prioritize quality sleep ahead of demanding days to stay sharp and productive.
