Catalyst OS

Caffeine Source

Number of Servings

0.56

Time Consumed

Target Bedtime

Metabolism Speed

Your Results

Caffeine at Bedtime

14 mgCaffeine will be mostly metabolized by bedtime

Sleep-Safe Time

6:00 PM10 hours from consumption

Total Caffeine

95 mg

Half-Life

5 hoursaverage

Caffeine Cutoff

12:22 PMFor 22:00 bedtime

Sleep Impact: None

Caffeine will be mostly metabolized by bedtime

Caffeine Decay Timeline

8:00 AM

95 mg

10:00 AM

72 mg

12:00 PM

55 mg

2:00 PM

41 mg

4:00 PM

31 mg

6:00 PM

24 mg

8:00 PM

18 mg

10:00 PM

14 mg

← Bedtime

12:00 AM

10 mg

>100mg (disruptive)

50-100mg (noticeable)

<25mg (sleep-safe)

Understanding Caffeine Half-Life

• Half-life: Time for caffeine to reduce by 50%
• Slow metabolizers: ~7 hours (genetics, liver function, pregnancy)
• Fast metabolizers: ~3 hours (smoking, certain medications)
• Sleep threshold: <25mg for minimal impact on sleep quality

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Caffeine Timeline Calculator

Your Results

Caffeine Decay Timeline

Understanding Caffeine Half-Life

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Caffeine Timeline Calculator

Your Results

Caffeine Decay Timeline

Understanding Caffeine Half-Life

Unlock Personalized AI Insights