Sleep90 – Smarter Sleep, Better Mornings Have you ever gotten 8 hours of sleep and still felt exhausted? That's because 8 hours wakes you up in the middle of your deepest sleep stage. Wake up refreshed! Sleep90 is your intelligent sleep calculator, designed to help you find the perfect time to go to bed or wake up, based on natural sleep cycles. With a beautiful, easy-to-use interface, haptic feedback, and dark mode support, Sleep90 makes it simple to maximize your rest and start every day at your best. Key Features: - Calculate optimal bedtimes and wake-up times with a tap - Personalize your experience with light and dark themes - Enjoy smooth, tactile haptic feedback for every action - Save your sleep preferences for quick access - Modern, privacy-focused design Whether you want to avoid morning grogginess or just get the most out of your sleep, Sleep90 helps you plan your nights for better days. Download now and take the guesswork out of a good night’s sleep! All Sleep Data is kept on device to optimize privacy.