Get bright light exposure immediately
Drink water regularly
Have caffeine in moderate amounts
Eat a light, protein-rich snack
Avoid heavy, greasy meals
Move around every 20 to 30 minutes
Stand up and stretch often
Splash cold water on your face
Keep your room cool
Chew gum or suck on mint
Avoid sitting or lying down for long periods
Take short walking breaks
Break tasks into small steps
Stay engaged with active work
Avoid alcohol and sedating medications
Limit caffeine late in the day
Power nap for 10 to 20 minutes if possible
Do not drive if you feel dangerously sleepy
Get proper sleep as soon as you can