SLEEP
Data visualizations on sleep quality, duration, and recovery patterns.
Alcohol's Effect on Sleep Quality
How drinking impacts your sleep architecture
While alcohol may help you fall asleep faster, it significantly disrupts sleep quality. This visualization shows how different amounts of alcohol a...
Blue Light's Effect on Melatonin
How different light wavelengths impact your sleep hormone
Blue light from screens suppresses melatonin twice as long as other colors and shifts your circadian rhythm by 3 hours vs 1.5 hours for green light...
Caffeine Half-Life Timeline
How long caffeine stays in your system
Caffeine has a half-life of about 5-6 hours, meaning it takes that long for your body to eliminate half the caffeine. This timeline shows how a mor...
Healthy Sleep Stage Distribution
Ideal percentages for restorative sleep
Quality sleep involves cycling through different sleep stages. This visualization shows the ideal distribution of light sleep, deep sleep, REM, and...
Optimal Nap Duration Guide
NASA research on power naps and productivity
Not all naps are created equal. NASA research found that a 26-minute nap increased pilot alertness by 54% and performance by 34%. This chart shows ...
Recommended Sleep Duration by Age
CDC and NSF guidelines visualization
Sleep needs change throughout life. This visualization shows recommended sleep duration ranges for different age groups according to CDC and Nation...
Sleep Debt Recovery Timeline
How long it really takes to recover from sleep loss
Think you can catch up on sleep over the weekend? Research shows it takes 4 days to recover from just 1 hour of sleep debt. Chronic sleep deprivati...
Sleep Duration vs Cognitive Performance
Density plot showing the sleep-cognition relationship
Research shows a U-shaped relationship between sleep duration and cognitive performance. Both too little and too much sleep correlate with reduced ...
Sleep Stages Change Throughout Life
How REM, deep, and light sleep shift from childhood to old age
Sleep architecture changes dramatically as we age. Babies spend nearly 50% of sleep in REM, while elderly adults may only get 15%. Deep sleep peaks...