The Lion: Early risers who tend to have lots of success in life
The Wolf: The Night owls who tend to stay up later and sleep in longer
The Bear: 80% of the population is a bear - the people who need a good 8 hours of sleep
The Dolphin: Light sleepers, those who have problems falling asleep and staying asleep
Im not affiliated with this but make sure to take the chronotype quiz so you can learn about yourself and lean into your unique biology: https://thepowerofwhenquiz.com/
Invest in a sleep tracker. There are plenty on the market to choose from.
Any sleep app on the app store: