Sleep Calculator +

Say goodbye to groggy mornings! Calculate optimal bedtime and wake-up times based on scientific 90-minute sleep cycle theory.

** Core Features:**
• Smart calculation of optimal sleep times
• Beautiful night-friendly interface
• Supports 11 languages
• Perfect for iPhone and iPad
• Professional sleep advice

** Why Choose Us:**
· Scientific Algorithm - Based on authoritative sleep research
· Simple Operation - Two steps setup, instant recommendations
· Precise Calculation - Accounts for fall-asleep time
· Global Support - Complete multi-language localization

Wake up refreshed during light sleep phases, say goodbye to deep sleep grogginess!

** Perfect For:**
Students, professionals, parents, fitness enthusiasts, frequent travelers

Download now and start your scientific sleep journey!