Poor sleep quality, characterized by circadian rhythm disruptions, blue light exposure, and inadequate bedroom darkness, leads to reduced cognitive function, fogginess, crankiness, and cravings for junk food.

“if you have a bad night of sleep and again you see that this really is all connected everything is connected here it's hard to say this one thing is the answer but if you're if you had a bad night of sleep you're really not going to feel great you're not going to be as intelligent as clear thinking as you possibly could be so from the get-go you are going to wake up cranky foggy in your brain you're going to Crave junk foods”