Calculadora de Sono Ideal
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
faixas NSF (0-1, 1-3, 3-6, 6-13, 13-18, 18-65, 65+)
About this calculator
The Ideal Sleep Calculator helps determine the recommended amount of sleep for each age group based on the National Sleep Foundation guidelines. Getting the right amount of sleep is essential for physical and mental health. This tool was created to guide people of all ages to understand their sleep needs, promoting healthy habits and preventing issues like insomnia or excessive sleepiness.
Usage is simple: enter your age and the calculator returns the recommended sleep range by NSF. For example, adults aged 18-64 need 7-9 hours per night, while newborns (0-3 months) require 14-17 hours. The tool considers natural individual variations but follows averages established by scientific studies.
Use this calculator when you want to check if you are sleeping enough for your age, adjusting your nightly routine, or planning sleep schedules for children and elderly. It is useful for parents, educators, and health professionals seeking evidence-based guidance. Remember that sleep quality also matters: a dark, quiet environment and consistent routine improve rest.
Cautions: recommendations are general and may vary according to individual health conditions. Consult a doctor if you have sleep disorders or persistent fatigue. The calculator does not replace professional diagnosis but serves as an initial reference to improve your sleep habits.
Frequently asked questions
How many hours should I sleep per night?
It depends on your age. The National Sleep Foundation recommends: adults (18-64 years) 7-9 hours; teenagers (14-17 years) 8-10 hours; school-age children (6-13 years) 9-11 hours; and so on. Use our calculator for your exact range.
Does the calculator work for babies?
Yes, it includes ranges for newborns (0-3 months) with 14-17 hours and infants (4-11 months) with 12-15 hours. Consult your pediatrician for individualized guidance.
Can I sleep less than recommended?
Sleeping less than the minimum recommended can harm health, causing fatigue, lack of concentration, and cardiovascular risks. Try adjusting your routine to achieve the ideal hours.
Is sleep quality as important as quantity?
Yes, quality is crucial. Even sleeping the right hours, interruptions or inadequate environment can reduce benefits. Keep a dark, quiet room and a regular routine.
What if I sleep too much?
Excessive sleep may indicate issues like apnea or depression. If you sleep well beyond the recommendation and still feel tired, see a doctor for evaluation.