I suspect the issue isn't the time you wake up, it's if you're artificially waking up. (Ex: if you stay up late on weekends then struggle on Monday due to lack

I suspect the issue isn't the time you wake up, it's if you're artificially waking up. (Ex: if you stay up late on weekends then struggle on Monday due to lack of sleep vs simply choosing to wake at 10am daily because you have a flexible work schedule and sometimes like to go to events that are in the evening.)