It is believed that every human should have complete sleep at night to be ready for the challenges that he will have to face the next morning. Scientifically it is said that, our sleep should be in the cycle of 90 minutes. Sometimes we sleep for hours but then too we wake up very tired and lazy. It is because we woke up in between of our sleep cycle. So to avoid such tiredness and laziness there is an android app which help you to calculate your sleep perfectly. The name of the app is 90Night: SleepyTime Calculator.What is 90night : Sleepy Time Calculator ?
90Night : SleepyTime Calculator is an android app which helps you in calculating your sleep cycle. It is an app which [...]