How Many Hours of Sleep Do You Need
Simple age-based sleep duration ranges and planning advice.
How Many Hours of Sleep Do You Need
Sleep need differs by age and lifestyle. Adults often need 7 to 9 hours, while teenagers and children need more.
Think in ranges, not a fixed number
Your best range depends on stress, physical activity, and routine consistency. Track how you feel for 1 to 2 weeks while keeping wake-up time steady.
Read our article on adult sleep needs for deeper guidance.