Calculate sleep duration and cycles. 90-minute sleep cycles. Find optimal wake time for refreshed mornings.
Calculate sleep duration and cycles. 90-minute sleep cycles. Find optimal wake time for refreshed mornings.
Category: 계산기 • Free online tool • No signup required
This tool provides general estimates and does not constitute medical advice. Always consult a qualified healthcare professional for medical guidance.
다음에 필요할 수 있는 도구
체질량지수(BMI)를 즉시 계산합니다. 미터법·영미식 단위와 건강 분류를 지원합니다.
계산기Calculate daily calorie needs from BMR and activity level. Get calories for weight loss or gain. TDEE calculator.
계산기Estimate body fat percentage using US Navy method. Enter height, waist, neck, and hip measurements for accurate results.
계산기Calculate Basal Metabolic Rate using Mifflin-St Jeor formula. Know your daily calorie burn at rest. Supports male and female.
계산기Calculate ideal body weight using Devine formula. Get healthy weight range based on height and gender.
계산기Calculate macros from daily calories. Split protein, carbs, and fat. Get grams for each macronutrient.
계산기Average time to fall asleep (default 14 min)
Sleep debt warning
Some options are below the recommended 7-9h for Adult (18-64). Consider choosing more cycles for better rest.
Based on 90-min cycles • 14 min fall-asleep offset
Light sleep → Deep sleep → REM → Light (each cycle ~90 min)