Blue Light Sleep Delay Calculator
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Target Bedtime (hour)
Screen Off (hours before bed)
Still on at bedtime
30 min before
1 hour before
2 hours before
3+ hours before
Screen Brightness
Full brightness
70%
50% or Night Mode
Dark Mode only
Blue Light Glasses
Not using
Using blue light glasses
Using orange-lens glasses (strong filter)
Calculate
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Sleep Delay
Likely Actual Sleep Time
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Melatonin Suppression
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