[twh270]

Brain-intensive work is fatiguing just like physically demanding work, and if you regularly push past your limits mentally or physically there will be consequences. Yes, over the short term you can get away with it. But it's gonna cost you, and the longer you do it the more it's gonna cost.

With that in mind, not all coding is equally brain-intensive. If I put in a serious intense hardcore 3 hour session of gnarling code wrangling, I'm pretty much done for several hours. Conversely I can do minor refactoring and code cleanup all day.

It's well known that pushing developers to work more hours isn't effective. It might (might!!) get a product to deadline faster, but it will be at the cost of burned-out developers who will have greatly reduced productively, and a decreased quality in the codebase and more defects at the time of launch. And the better developers tend to leave for a healthier environment.

Regarding skipping meetings and emails, figure out (if you haven't) why you're doing that and take appropriate steps. Maybe it's having a discussion about why a particular meeting is unproductive, or alternate forms of communication. Maybe it's finding a reason to go to a meeting other than its stated purpose.