Here are few tips for dealing with mid-afternoon slump:
1. Include fruits, cereals and nuts, especially almond , in your breakfast and most important, never skip breakfast.
2. Keep yourself hydrated: 1/2 or 1 glass of water every hour.
3. Take break of 10 min every hour and walk around.
4. Take nap of 20 minutes
5. Reduce caffeine and sugary items.
6. Eat seasonal fruits twice a day.