Anytime you are adjusting your sleep schedule, what you are actually adjusting is your circadian rhythm, which is closely influenced by mild publicity. As Breus explains, getting at the very least quarter-hour of sunshine very first thing if you get up (pure or not), alerts to your mind that that is the time you need to be waking up day-after-day. (Again, keep in mind consistency is vital.)
“I think if everybody had a sunrise alarm clock, we’d all be in better shape,” he notes, including that if you do not have one, turning all of the lights on if you get up works too. And on high of that, if waking up earlier is your objective, you would possibly wish to ditch the blackout curtains or eye masks so your room just isn’t darkish if you get up (which is able to make it tougher to stand up within the mornings).