For over a year now, I've been going for a pre-work stroll every morning to lift my brain fog and boost my energy levels . This morning habit is now an essential part of my day, and I often find myself yawing and feeling groggy whenever I skip it.

But why does a 15-minute morning walk around the block make such a difference to my energy levels? To find out, I asked four doctors why stepping outside after waking up helps me start my day refreshed.

Key takeaways

Research has proven that getting 15 minutes of sunlight exposure within an hour of waking up every morning can increase energy levels and reduce brain fog.

You can also increase morning energy levels by hydrating as soon as you wake up, eating a protein-rich breakfast, and avoiding phone activity within 15 minutes of waking up.

For those who don't have easy access to morning sunlight, try light therapy lamps, blue light glasses and sunrise alarm clocks.

My 15-minute morning habit for boosting energy

I work from home three days a week, and while…