Use the sleep calculator to develop an optimal sleep schedule based on your unique biology and lifestyle preferences, including your age and either your bedtime or wake-up time.

Jul 29, 2025 · Our sleep calculator will give you insight into your ideal sleep schedule based on the number of sleep cycles you’re likely to attain. It’s also helpful to get a clearer picture of how many …

Our sleep calculator is designed to help you optimize your sleep schedule by working with your body's natural sleep cycles. Unlike simple bedtime calculators, our tool takes into account the science of …

Jan 17, 2025 · Staying consistent with a bedtime and wakeup schedule is the No. 1 way to improve your sleep schedule, Dr. Foldvary-Schaefer states. “Set a wake-up time that’s the same every day, …

Our Sleep Calculator helps you wake up refreshed by aligning your bedtime and wake-up time with natural sleep cycles— so you can start every day feeling energized. ⚡. 1️⃣ Choose Your Goal – Find …

May 7, 2024 · Learn your optimal wake-up times or bedtimes based on sleep cycles and allowing 15 minutes to fall asleep. How do sleep cycles work? This tool is for informational purposes only. …

Apr 16, 2025 · Our bodies operate on an internal clock called the circadian rhythm —essentially, your brain’s natural sleep-wake cycle. This biological timekeeper regulates daily patterns of alertness and …

Nov 18, 2025 · Why is it important to wake up at the same time every day? Discover the role of circadian rhythms, sleep drive, and how sleeping in causes insomnia.

During sleep, your body goes through multiple 90-minute cycles of light sleep, deep sleep, and REM sleep. Waking up during deep sleep can cause grogginess and fatigue, while waking at the end of a …

May 2, 2024 · Our tools help you optimize your sleep schedule for maximum rest and energy throughout the day. Our algorithms are based on established sleep science research and the natural 90-minute …