If you're going to sleep right now, you should try to wake up by one of these times
waking time is a calculator that helps you find the best time to wake up.
What we know:
It takes the average human 14 minutes to fall asleep;
A sleep cycle typically lasts 90 minutes;
A good night's sleep consists of 5 or 6 complete sleep cycles;
Waking up in the middle of a sleep cycle leaves you feeling tired and groggy, but waking up in between cycles lets you wake up feeling refreshed and alert!
You should double check all the information you read on the internet.