Good sleep is a very important thing.
This is a small web app that helps you calculate the time you go to bed and wake up to help you get a good night's sleep that will keep you awake the next day.
Just pick your bed time, you will see the good time to wake up in the wake up time card
Similarly, just select the time to wake up, you will see the good time to go to bed in the sleep time card
Here's the live demo, have good night!!!