The first minutes awake are when your brain shifts from sleep to running the day. Handing it a feed of other people's problems before that shift is finished puts you on the back foot before you've stood up.
This one is common sense and personal practice, not a studied intervention. It's free. Evidence: worth trying
Same theme: Morning
Morning
Daylight in the first hour
Get outside for ten minutes within an hour of waking. Overcast is fine. A window is a weak substitute.
10 minEvidence: decent
Morning
Nap short or not at all
If you nap, ten to twenty minutes, early afternoon, alarm set. Longer or later costs you tonight.
20 minEvidence: decent