Waking up early can have several potential benefits for your health and overall wellbeing. There are even spiritual benefits that we feel "uplifted" and more energectic throughout the day, when we sleep and wake up early. The standard time that is considered sacred in many cultures is 4 am to 5 am. Watch the below video by Jaggi Vasudev (Sadhguru) to learn the spiritual benefits of waking up at the "Brahma-mahurat" which the time between 4am and 5am.
However, it's important to note that waking up early isn't necessarily better for everyone. Some people may function better with more sleep & waking up a little late. Therefore, it is important to listen to your body and find a sleep routine that works for you.