Medical Sleep Calculator 2025
NIH/WHO 2025 GuidelinesGlobal Timezone SupportMedical Risk Assessment50+ Countries
Clinical Sleep Calculator 2025: Evidence-Based Sleep Timing & Cycle Optimization with Global Timezone Support
Advanced medical calculator using 2025 sleep medicine principles. Calculate optimal sleep times with age-specific NIH/WHO recommendations and comprehensive health risk assessment for USA, India, UK, Canada, Australia, Germany, France, Japan, UAE and 40+ more countries.
Global Timezone Settings
Current Timezone
Asia/Calcutta
11:53 PM
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Step 1: Personal Sleep Profile 2025
Medical Sleep Optimization 2025
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Optimal Sleep Window
Melatonin production peaks during these hours. Maintain dark, cool environment for quality sleep.
2025 Medical Insight: Consistent sleep during this window supports circadian rhythm and metabolic health.
Global Sleep Statistics 2025
USA: 35% of adults sleep less than 7 hours nightly (CDC 2025)
Japan: Average sleep duration 6.2 hours (WHO 2025)
India: 40% urban population experiences sleep disorders
Global: $100B annual economic loss from sleep deprivation
Select Your Age Group to Begin
Choose your age group for personalized NIH/WHO 2025 sleep recommendations
Current timezone: Asia/Calcutta