The Impact of Screen Time on Melatonin Production
Screens reduce melatonin by 22% after 2 hours.
- 2 hours of screen use = 22% drop in melatonin.
- Discontinuing screen use 60-90 minutes before sleep restores natural onset.
| Metric | Scientific Observation | Impact Magnitude | ||
|---|---|---|---|---|
| Exposure Duration | 120 Minutes (Continuous) | -22% Melatonin Levels | ||
| Peak Sensitivity | 480nm Wavelength (Blue) | Maximum Photoreceptor Response | ||
| Sleep Latency | Screen use within 60 mins of bed | +15 to 48 mins to sleep onset | ||
| Recovery Time | No-screen buffer (Digital Sunset) | 90 mins for natural secretion |