Recommended Sleep by Age
Use this recommended sleep by age chart to understand general sleep duration ranges for children, teenagers, adults, and older adults.
How much sleep do you need?
Most adults need about 7 to 9 hours of sleep per night. Teenagers usually need about 8 to 10 hours, while younger children often need 9 to 13 hours depending on age.
Recommended Sleep Duration Chart
This table provides general sleep planning ranges by age group.
| Age Group | Recommended Sleep | Why It Matters |
|---|---|---|
| Preschool children | 10–13 hours | Supports growth, learning, mood, and daily development. |
| School-age children | 9–12 hours | Helps attention, memory, behavior, and physical development. |
| Teenagers | 8–10 hours | Supports learning, emotional balance, and recovery. |
| Adults | 7–9 hours | Supports energy, focus, mood, and long-term health habits. |
| Older adults | 7–8 hours | Sleep quality and sleep timing may change with age. |
Children
Children generally need more sleep than adults because their bodies and brains are still developing.
Teenagers
Teenagers often need 8 to 10 hours, but school schedules and screen habits can make sleep timing harder.
Adults
Adults often use 7.5 or 9 hours as practical sleep calculator targets based on full cycles.
Recommended Sleep by Age FAQ
How much sleep do adults need?
Most adults need about 7 to 9 hours of sleep each night.
How much sleep do teenagers need?
Teenagers usually need about 8 to 10 hours of sleep each night.
How much sleep do older adults need?
Older adults often need about 7 to 8 hours, although sleep patterns may change with age.
Can I need more sleep than the chart says?
Yes. Sleep needs vary based on health, activity level, stress, recovery, and lifestyle.
Is this chart medical advice?
No. It is a general educational guide only.