Your sleep efficiency(SE) might be green or red depending on your SE ratio, if your SE is between 80% to 90% congratulations yours is green, otherwise yours is red.
Calculate your SE
It is very simple just by knowing how many hours do you sleep ST (sleep time) and how many hours do you spend in bed whether you are asleep, try you sleep, or even try to wake up
Sleep efficiency(SE) = ST ( sleep time) / TIB (time in bed)
For instance, if you go to your bed at 10:00 PM and wake up at 6:00 AM, your TIB is 8 hours. But, you spent almost 0.5 hours falling asleep, 15 minutes for the toilet, and 15 minutes to wake up. So your ST is 7 hours and your SE is 7/8 or 0.875.
Actions to improve your SE
It typically takes time, but you can use beauty sleep products to accelerate that, however, If your SE is green, you are doing well just keep observing it. In the other case, if you got your SE is red, don't worry you can control it and it's really simple.
If your SE less than 0.8, you have to decrease your TIB. If you
