Waking up early to get ready for work tomorrow

If you repeatedly sleep late and wake up late on holidays, you can experience 'social jet lag,' which can lead to severe fatigue after returning to your daily routine. It is said that waking up in the morning and getting some sunlight in advance helps reset your disrupted biological rhythm. I want to sleep in, but my little bird is crying to play, so I woke up and have been doing puzzles for an hour ㅠ