CONGRATULATIONS! on your weight loss and keep up the good work with your CPAP therapy.
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"Make you" eat more fatty food?
That seems like a misnomer. Fatty food can't hold a gun to your head.
There is supposedly a link between seasonal depression and other forms of depression that can increase craving for sweets and carbs, and a lack of sleep (or poor quality sleep) can also chemically cause this, but as humans we have the power of free will, otherwise known as will power, and are not actually compelled to eat more food of any kind, because it is within our power not to.
So it is not so much a compulsion as it is a tug-of-war, and we have to accept that there is a struggle, and on any day we may be winning or we may be backsliding. The lesson here is to get good sleep and participate in good therapy to increase your resistance to craving and to lower your craving. It increases the power of your will and decreases the power of the craving itself, directly. Chemically. If you don't strive for that, you may have more craving or less ability to resist craving, but the eating itself? The giving in to the craving? That is on the eater.