Khalee, I find that whatever that can tire my eyes out helps me to konk quicker.
Reading is an obvious route.
And, believe it or not, and I've tested this, is playing single player SFC (I recommend SFC1 if you are not playing a campaign) for a couple of hours in the late evening, and then reviewing (for me, just the victories, solely for the entertainment value) the "films" of your missions... well, I've blinked awake to find that I thought I was watching a mission .rec file!