Shorter option4 cycles · 6h
Bedtime
12:45 AM
Wake-up
7:00 AM
Useful when your schedule is tight, but it may be below your ideal sleep target.
Bedtime calculator
What time should I go to bed?
Enter your wake-up time and usual time to fall asleep. The calculator gives bedtime options based on simplified sleep cycles so you can choose a realistic plan for tonight.
Recommended result
Bedtime
11:15 PM
Wake-up
7:00 AM
This is a planning estimate based on simplified 90-minute sleep cycles and your selected sleep latency.
Best full-night option5 cycles · 7h 30m
Bedtime
11:15 PM
Wake-up
7:00 AM
A common planning option built around five estimated sleep cycles.
Longer recovery option6 cycles · 9h
Bedtime
9:45 PM
Wake-up
7:00 AM
Useful when you have room for a longer night and want more recovery time.
Start with wake-up time
Your wake-up time anchors the calculation and keeps the plan practical.
Add sleep latency
Include the time you usually need before actually falling asleep.
Choose a cycle option
Compare shorter, standard, and longer options instead of forcing one exact answer.
How to use it
A bedtime calculator works best when it starts with your real morning.
Set your wake-up time
Use the time you actually need to get out of bed, not the time you wish you could wake up.
Add your sleep latency
If it takes you 20 minutes to fall asleep, the calculator should account for that buffer.
Compare the cycle options
Look at the shorter and longer choices before picking tonight's plan.
Protect the last hour
Dim lights, reduce screens, and move stimulating tasks earlier in the evening.
Example bedtime windows
Common wake-up times and bedtime ideas
These examples use simplified 90-minute sleep cycles. Your exact result can change when you adjust sleep latency, age group, and preferred sleep goal in the calculator.
6:00 AM wake-up
Try bedtimes around 8:45 PM, 10:15 PM, or 11:45 PM, plus your own time to fall asleep.
7:00 AM wake-up
Many people compare 9:45 PM, 11:15 PM, and 12:45 AM as rough cycle-based options.
8:00 AM wake-up
A practical range may include 10:45 PM, 12:15 AM, and 1:45 AM, depending on your sleep goal.
Turn tonight's bedtime into a routine
A bedtime is easier to follow when the hour before bed has a repeatable pattern. Use the 7-day plan to turn the result into a simple week.
FAQ
What time should I go to bed if I wake up at 7 AM?+
A common planning range is built around 4 to 6 estimated 90-minute cycles plus the time it usually takes you to fall asleep. Use the calculator above to adjust that timing.
Should I wake up between sleep cycles?+
Some people feel better when they wake near the end of a cycle, but cycles vary from night to night. Treat the result as a planning guide, not an exact biological rule.
How long before bed should I wind down?+
Many people find 30 to 60 minutes helpful. If you take longer to fall asleep, start your wind-down routine earlier.
What is the best bedtime for adults?+
There is no single best bedtime for everyone. Start with the time you need to wake up, aim for enough total sleep, and choose a bedtime you can repeat consistently.
Should I choose the earliest or latest bedtime result?+
Choose the option that gives you enough sleep while still feeling realistic for your evening. If you are already tired, a longer option is usually more practical than pushing bedtime later.
Can this calculator help with shift work?+
It can help estimate sleep windows, but shift work often needs extra attention to light exposure, caffeine timing, and recovery days.