For me it definitely does, it seems like my brain is able to fit more into its "main memory" while focused on a task, whereas without it it seems like I'm "swap

For me it definitely does, it seems like my brain is able to fit more into its "main memory" while focused on a task, whereas without it it seems like I'm "swapping to disk" to put it into computer terms. I don't take it on the weekends, and I feel a huge difference in my ability to remember what I'm working on around the house.