although this may be true, the study is quite superficial. personally, my issue with sleep has been that if you leave me alone in a dark room (like in my bed), i'll come up with all sorts of ideas... also, distractions taper off as the night progresses, and i'll be like 'k, this feature, then done' - but then you realize you need another feature but you have all this information in your head you need to get out -- and the details keep piling in. if you were to jot down notes, you might as well have coded it and tried it out.... and then you realize something else you can do. other nights, you go ah, this is nice, and just know what the next step is and as long as it's somewhat concrete, it's easy to sleep knowing you'll do it tomorrow.

generally, i find it easier to sleep if i've hit one of these plateaus, or if i'm stuck, or if there's too many options of where to go from here; the answer will be clearer tomorrow. It's when the answer is -almost- clear, just need to try out a few things, that sleeping feels like trying to swim upstream.

i've tried to 'fix' my sleep so many times in life now, by which i mean be consistent - and so far, no success. nothing too bad has happened to me, either -- if i don't get enough sleep i know i'm sub-par but i feel capable of at least being 'average' until i get home and get more sleep the next night. on the other hand, i've taken vacation simply because i know if i don't solve this ranking algorithm, i'm going to go insane - so i took three days off (wed-fri, so i got weekend too), and worked through the day and night, sleeping as fit until it was all good, and that itch in my head was resolved.