5 foods that make you feel sluggish and sleepy

After we eat food, it goes for digestion to the stomach, and all the blood flow gets directed towards the  digestive system. As during study time more blood flow is required towards brain for its proper functioning, this diverted blood supply leads to sleepy-ness or sluggishness. This is because of the reason that proper supply of oxygen and nutrition is not maintained. So any food or drink that causes increased blood flow towards the digestive system for a long period of time will cause sluggishness,. These foods will normally be those containing lots of fats and also high on proteins.

Meals that are too heavy, that is loaded with calories and which have more simple sugars will also have similar effect, as they will remain longer in the system. Also these cause peaks and troughs of sugar levels in blood, leading to further sluggishness. The foods that normally cause these effects are:

1. Fried foods- as they take longer to digest and remain for a longer time in the gut leading the blood to flow towards the digestive system.
2. Foods high in proteins and also have fats also remain in the digestive system for a longer time and cause sluggishness.
3. Foods that are high in sugars cause the blood sugars level to increase immediately and then to reduce fast causing peaks and troughs of sugars in blood. It causes alternate wakefulness and sleepy feelings.
4. Caffeinated drinks initially cause a feeling of wakefulness and then later on cause sluggishness because of their effect on the central nervous system.
5. Large meals also have similar effects. So the meals should be small and frequent with lots of liquids in between the meals.