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Baby Sleep Time Calculator

Check recommended sleep time based on months after birth

Enter Baby Information

Entering birth date will automatically calculate current age in months

or

0 ~ 60 months (0 ~ 5 years)

What is the Baby Sleep Time Calculator?

The Baby Sleep Time Calculator is a tool that tells you the recommended daily sleep time based on your baby's age in months after birth.

Babies need different amounts of sleep depending on their growth stage, and sleep plays a very important role in brain development, emotional stability, and immune system strengthening.

😴 Sleep Time by Age

  • • Newborn (0-3 months): 14-17 hours (no distinction between day and night)
  • • Infant (4-11 months): 12-15 hours (2-3 naps)
  • • Early Toddler (1-2 years): 11-14 hours (1-2 naps)
  • • Toddler (3-5 years): 10-13 hours (1 nap or none)

💚 Importance of Sleep

  • • Growth Hormone Secretion: Growth hormone is secreted most during deep sleep
  • • Brain Development: Brain cells grow and neural circuits develop during sleep
  • • Immune System Strengthening: Sufficient sleep strengthens the immune system
  • • Emotional Stability: Regular sleep helps with emotional development
  • • Memory Enhancement: What is learned during the day is organized and stored during sleep

🌟 Building Good Sleep Habits

  • • Regular Bedtime: Put baby to sleep at the same time every day
  • • Create Bedtime Routine: Bath → Feeding → Lullaby, etc. (consistent pattern)
  • • Appropriate Sleep Environment: Dark, quiet, and cool room (18-21°C)
  • • Nap Control: Avoid late afternoon naps
  • • Reduce Stimulation: Limit TV and smartphone use before bedtime

⚠️ Note: This calculator provides general recommended sleep times. Individual differences exist, so please also consider your baby's condition and environment. If sleep problems persist, please consult with a pediatrician.