Get up and move around regularly
Take a brisk walk
Splash cold water on your face
Open a window or go outside for fresh air
Sit in bright light or sunlight
Drink cold water
Eat a light, balanced snack
Chew gum
Change your posture often
Stand instead of sitting when possible
Keep your workspace cool
Wash your hands or face
Do a few jumping jacks or stretches
Break tasks into short, active intervals
Talk to someone
Listen to upbeat music
Avoid heavy meals
Avoid lying down
Keep your mind engaged with active tasks
Take a short nap if possible
Prioritize enough sleep later