Wellness

Sleep Duration and Quality Calculator

Recommend ideal sleep duration and track bedtime/wake-up times for better rest.

Sleep Duration and Quality Calculator

Recommend ideal sleep duration and track bedtime/wake-up times for better rest.

This calculator is for informational purposes only and does not constitute medical advice. Consult a healthcare professional for personalised guidance.

How This is Calculated

Sleep duration is calculated from bedtime to wake-up time (wrapping midnight). The American Academy of Sleep Medicine and Sleep Research Society recommend 7–9 hours of nightly sleep for adults (18–60 years), ≥9 hours for teens, and 10–13 hours for young children.

Disclaimer: This tool provides estimates for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

How to Use This Calculator

This calculator determines how long you sleep and assesses whether it meets recommended guidelines.

  1. Step 1: Enter your bedtime using the time picker.
  2. Step 2: Enter your wake-up time.
  3. Step 3: Click "Calculate Sleep Duration" to see your total sleep and an assessment.

Frequently Asked Questions

Adults generally need 7–9 hours per night. Children and teenagers require more. Consistently sleeping under 6 hours is linked to increased health risks.

Prioritise a consistent sleep schedule, avoid screens 30–60 minutes before bed, and create a dark, cool sleeping environment.

Short naps (20–30 minutes) can supplement energy but should not replace full nighttime sleep.

Marcus Mueller
Created by Marcus Mueller Software Developer & Tech Specialist

Seasoned software developer and tech specialist, building tools that make people's life easier.

View on GitHub

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