I’ve done so many times, with no negative repercussions. You’re certainly hungrier during a longer fast than you would be on an intermittent schedule that you’ve become accustomed to. You may also be tempted to overeat, which I noticed I did. I solved that by concentrating on volume eating, where you choose food that fills you up that is low to moderate in calories.
I’m not sure I’ve answered your question - can you provide more context?