Sleep Calculator

How much sleep did you get last night? What about the night before? How much sleep do you actually need?

Keeping track of your sleep schedule may not be a top priority, but getting enough sleep is critical to your health in many ways.

You may not realize it, but the amount of sleep you get can affect everything from your weight and metabolism to your brain function and mood.

For many people, sleep time and wake-up time is a constant.

What time you go to sleep, however, tends to vary depending on your social life, work schedule, family obligations, or simply when you start to feel tired.

But if you know what time you have to get up, and you know you need a specific amount of sleep to function at your best, you just need to figure out what time to go to bed.

Sleep Calculator will help you understand how to calculate the best sleep time to go to bed based on your wake-up time and natural sleep cycles.

How Much Sleep Do You Need?

How much sleep you need changes throughout your lifetime. An infant may need up to 17 hours of sleep each day, while an older adult may get by on just 7 hours of sleep a night.

But an age-based guideline is strictly that — a suggestion based on research of how much sleep you may need for optimal health as your body’s needs change.

Age Range

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