How Much Sleep Do You Really Need?

Sleep needs change dramatically across your lifespan. Find the right amount for your age group based on expert guidelines.

¿Cuántas horas debo dormir?

Las horas de sueño que necesitas dependen de tu edad. Aquí tienes las recomendaciones de la Fundación Nacional del Sueño y los CDC:

Grupo Edad Horas recomendadas
Recién nacido0-3 meses14-17 horas
Bebé4-12 meses12-16 horas
Niño pequeño1-2 años11-14 horas
Preescolar3-5 años10-13 horas
Escolar6-12 años9-12 horas
Adolescente13-18 años8-10 horas
Adulto18-64 años7-9 horas
Adulto mayor65+ años7-8 horas

Select Your Age Group

Why Sleep Needs Change with Age

Babies need the most sleep because their brains are developing rapidly. Sleep supports neural connections, growth hormone release, and immune system development.

Teenagers need more sleep than adults due to ongoing brain development, hormonal changes during puberty, and the natural shift in their circadian rhythm that makes them night owls.

Adults need 7-9 hours for optimal cognitive function, physical health, and emotional regulation. Older adults may need slightly less but often have more fragmented sleep patterns.

Preguntas frecuentes

Can I train myself to need less sleep?

No, you cannot train yourself to need less sleep. While some people have genetic variations that allow them to function on less sleep, most adults genuinely need 7-9 hours. Chronic sleep restriction leads to cognitive impairment even if you feel adapted to it.

Is it true that older adults need less sleep?

Older adults (65+) need about 7-8 hours, only slightly less than younger adults. However, they often have difficulty getting uninterrupted sleep due to changes in sleep architecture, medications, and health conditions.

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