Scientific Sources & Research
SleepGrids is built on established sleep science and behavioral psychology. Below are the specific peer-reviewed studies referenced within the app.
The Impact of Sleep Deprivation
"24 hours of sleep deprivation causes cognitive impairment equal to 0.10% blood alcohol level."
Williamson, A. M., & Feyer, A. M. (2000). Moderate sleep deprivation produces impairments in cognitive and motor performance equivalent to legally prescribed levels of alcohol intoxication. Occupational and Environmental Medicine, 57(10), 649-655.
View Original Study"One night of shortened sleep can lead to a significant reduction in critical immune system cells (Natural Killer cells)."
Irwin, M., et al. (1994). Partial sleep deprivation reduces natural killer cell activity in humans. Psychosomatic Medicine, 56(6), 493-498.
View Original Study"Sleep deprivation causes an increase in reactivity of the amygdala, leading to emotional instability."
Yoo, S. S., Gujar, N., Hu, P., Jolesz, F. A., & Walker, M. P. (2007). The human emotional brain without sleep — a prefrontal amygdala disconnect. Current Biology, 17(20), R877-R878.
View Original StudyThe Science of Tracking & Behavior
"Monitoring progress toward a goal increases the likelihood of attaining that goal by approximately 33%."
Harkin, B., et al. (2016). Does monitoring goal progress promote goal attainment? A meta-analysis of the experimental evidence. Psychological Bulletin, 142(2), 198-229.
View Original Study"General sleep hygiene and habit correlations."
Sleep Foundation. (2024). Sleep Hygiene: Tips & Techniques to Improve Your Sleep.
View Original StudyMedical Disclaimer: SleepGrids provides tracking tools for educational and self-discovery purposes only. The information provided is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician with any questions regarding a medical condition.