But for whatever reason, you still feel tired, sluggish, and cranky.
Food is our fuel, she explains.
If we make the wrong food decisions, we will be tired.

Valentina in YSL
We will have headaches and joint aches; we willconstantly crave sweets.
She has a point.
We must be thoughtful about our daily diets, Quintas warns.
Think about foods that nourish you.
However, Quintas says this is rarely the sole issue.
To that end, we should consider how what we eat influences our metabolism.
The influence of insulin
Another of the great myths she encounters?
If we do that, our insulin can peak just before bed.
Insulinis the hormone that is in charge of managingglucose in the blood.
It also plays a central role in fat storage.
This spike not only promotes metabolic imbalances, but can also cause an energy slump.
Juices, sodas, and smoothies can cause insulin spikes.
This will help our metabolism to get the batteries without forcing a large meal first thing.