Enter the time you need to wake up and get suggested bedtimes based on full sleep cycles.
Use this bedtime calculator to choose a wake-up time and work backward to more sleep-friendly bedtimes.
Instead of guessing, this tool gives you a few bedtime targets based on full sleep cycles. It is useful when you want a more consistent bedtime routine or easier mornings.
Pick the one that fits your schedule realistically. A bedtime you can repeat is usually more helpful than an ideal time you rarely keep.
No. This is a planning tool, not a medical diagnosis or treatment guide.