Sleep Calculator

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Sleep Cycle Calculator – How to Determine How Much Sleep You Need

Some people do not know how much sleep they should get or simply do not budget enough time for sleep Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. . Most adults should get seven to nine hours of sleep per night. Babies, young children, and adolescents need more sleep than adults do. These sleep recommendations provide an overview of how much sleep most people need, but the exact amount of sleep a specific person should get depends on other factors Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. , such as their overall health. A doctor is in the best position to make a detailed sleep recommendation for any individual based on their unique situation.

Age Range Recommended Daily Sleep
Infant 4–12 months 12-16 hours (including naps)
Toddler 1–2 years 11-14 hours (including naps)
Preschool 3–5 years 10-13 hours (including naps)
School-age 6-12 years 9-12 hours
Teens 13-18 years 8-10 hours
Adult 18 years and older 7 or more hours

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What Time Should I Go to Sleep?

There is no "one size fits all" bedtime, but there are ways to determine optimal bed and wake-up times based on age, geographic location, lifestyle preferences, and obligations like work and school.

Experts suggest waking up and falling asleep at the same time each day, even on weekends and days off. It is also generally healthiest to be awake during the majority of daylight hours, and asleep during dark periods.