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Sleep Duration Converter
Hours · Minutes · Sleep Cycles · Bedtime Calculator — optimize your rest
hours
minutes
Sleep Analysis
8.0 hours =
480 minutes
🔄 That's about 5-6 complete sleep cycles
🔄 Sleep Cycles (90 min each)
5.3
💤 Deep Sleep (approx)
1.6 hours
✨ REM Sleep (approx)
1.6 hours
⏰ Bedtime Calculator
🌙 Go to bed at:
11:30 PM
⏰ Or wake up at:
6:30 AM
(for 8 hours sleep)
📊 Recommended Sleep Duration by Age
👶 Newborns (0-3 months)14-17 hours
🧒 Infants (4-12 months)12-16 hours
👧 Toddlers (1-2 years)11-14 hours
🧒 Preschool (3-5 years)10-13 hours
👦 School-age (6-12 years)9-12 hours
🧑 Teens (13-18 years)8-10 hours
👨 Adults (18-64 years)7-9 hours
👴 Seniors (65+ years)7-8 hours
💡 Understanding Sleep Cycles
Light Sleep
50-60% of night · Easy to wake
Deep Sleep
15-25% · Body repair & growth
REM Sleep
15-25% · Dreaming & memory
💡 One complete cycle = ~90 minutes. Waking between cycles = feeling more rested!
💤 Better Sleep Tips
📱 No screens 1 hour before bed
☕ Avoid caffeine after 2 PM
🛏️ Same bedtime & wake time daily
🌡️ Keep bedroom cool (65-68°F)
🧘 Try meditation or deep breathing
🚫 No alcohol before bed
😴 Hours ↔ Minutes
🔄 Sleep cycle calculator
⏰ Bedtime planner
📊 Age-based recommendations