Drink water
Get up and move around
Open a window or increase airflow
Turn on bright lights
Avoid heavy meals
Eat a light snack if needed
Drink caffeine in moderation
Wash your face with cold water
Take short breaks from sitting
Stand instead of lying down
Keep your mind engaged
Talk to someone
Chew gum
Avoid alcohol
Avoid large amounts of sugar
Maintain good posture
Splash cold water on your wrists
Listen to upbeat music
Breathe deeply
Take a short nap if possible