Sleep timing

Sleep timing has been studied in 5 papers since 2023: 5 observational studies in people; 2 in the past year. The newest paper, Dec 25, 2025: “Multidimensional sleep health and longitudinal cognitive performance”.

Intervention

5 papers study it1 findingUpdated Dec 25, 2025

“Within individuals who live below the poverty line (n=47), on nights when participants fell asleep earlier (p=.013) and slept longer (p=.021) but had more minutes of wake (p=.0013) and less efficient sleep (p=.018) than their average, next-day mean reaction time was faster.”

DAILY ASSOCIATIONS OF ACTIGRAPHIC SLEEP AND NEXT-DAY WORKING MEMORY IN MIDLIFE AND OLDER ADULTSGSA 2024 abstract2024doi:10.1093/geroni/igae098.0246

1 lab in 1 country

Humans5

What did studies of Sleep timing find?

Studies of Sleep timing measured 1 outcome; the most studied are Multiple Object Tracking Task reaction time (1 study).

Multiple Object Tracking Task reaction time

upin humans1

1 study

Sleep timing improves Multiple Object Tracking Task reaction time in humans.
“Within individuals who live below the poverty line (n=47), on nights when participants fell asleep earlier (p=.013) and slept longer (p=.021) but had more minutes of wake (p=.0013) and less efficient sleep (p=.018) than their average, next-day mean reaction time was faster.”
Humansbelow 125% federal poverty lineone week72% femalesn = 47
DAILY ASSOCIATIONS OF ACTIGRAPHIC SLEEP AND NEXT-DAY WORKING MEMORY IN MIDLIFE AND OLDER ADULTS
GSA 2024 abstractDec 31, 2024

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