Sleepytie - Smart alarm clock 1.3.6

Sleepytie is a smart alarm clock a simple and intuitive alarm clock with a sleep time calculator. An alarm clock can not only wake you up with an unobtrusive and increasing signal, but also advise the time when it is best to go to bed.

At the same time, the alarm clock can work with the function the other way around - you set the bedtime, and the alarm clock independently calculates the most appropriate wake-up time.