Blue Light Melatonin Delay Calculator
Enter how much screen time you get in the two hours before bed and how bright your screen usually is. Get an estimate of how much your melatonin release might be delayed, and what that means for your effective bedtime. Nothing uploaded.
Melatonin ?
Screen brightness factor
Adjusted bedtime
Not medical advice
Results
Estimated melatonin delay ?
-
Planned bedtime
-
Adjusted effective bedtime ?
-
Rough estimate based on general sleep-science findings about blue light and melatonin suppression - individual sensitivity varies considerably. Informational only, not medical advice. Discuss persistent sleep issues with a doctor.