Your brain needs glucose to function. It can only use ketones for so much of that. If you don't eat every 4 hours, you are probably depriving your brain of glucose. Might not matter if you have a white collar office job that mostly involves Slack and Jira. Slightly more relevant if you're working outdoors in hot, humid weather.
A handful of raisins or cashews would suffice for these, and spacing out snacks in this way leads to less net caloric intake overall
A handful of raisins or cashews would suffice for these, and spacing out snacks in this way leads to less net caloric intake overall