Decision-making is metabolically expensive. For ADHD brains, it costs more cognitive energy and the reserve depletes faster. Early in the day, decisions feel manageable. By afternoon, the same decisions feel overwhelming — not because they got harder, but because the processing resources dropped below threshold.
ADHD brains often don't benefit from decision storage-and-retrieval efficiency. Instead, each encounter with a task triggers a fresh evaluation. The same decision gets remade dozens of times. The cumulative cost is enormous.
The only decision that doesn't cost cognitive energy is one that was already made — and stayed made. Pre-committed task sequences, standing rules for recurring decisions, and trusting the morning classification eliminate the re-decision loop entirely.