Research suggests people who walk outside within hour of waking are using morning light exactly the way the body was built to

Mornings often begin indoors, but research suggests that getting outside soon after waking can significantly improve sleep, energy levels and mood. Exposure to natural sunlight within the first hour of the day helps regulate your body's internal clock, promoting alertness in the morning and better sleep at night. Even a few minutes of outdoor light each day can help align your circadian rhythm with the natural day-night cycle, supporting overall health and wellbeing.

Raccontata daeconomictimes.indiatimes.com