Picture this: It’s bedtime. The curtains are drawn tight and your blue-light-emitting technological devices have been retired to your nightstand drawer. You’ve quit drinking after-dinner espressos (so far so good), and swapped out your bourbon nightcap for an actual nightcap and pair of flannel pajamas.
Hold it right there. That last one might not be so wise.
But just to make sure you’re doing everything else right, let’s run down the checklist of essential sleep hygiene first: