A bad night’s sleep universally sucks, but it’s not just an extra five minutes applying concealer or your local coffee shop’s exorbitant prices. Scientists have a huge knowledge-boner for studying sleep, and they’ve found that sleep deprivation affects everything from your emotional state to your risk tolerance to how hot you think people are, so brew a nice cup of herbal tea and snuggle in to find out how being sleepy wrecks your life.

Decreased Empathy

It goes beyond simple grouchiness, too -- lack of sleep turns you into an uncaring jerk. When exposed to photos of people in emotional situations, sleep-deprived subjects displayed less empathy, responding more or less, “Ah, quit your belly-aching. Try my life for a while, pal.” It also turned them 83 years old for some reason.

Thinking Other People Are Hotter Than They Are

On the off-chance you do manage to hook someone, you might find yourself wishing later that you’d thrown them back. Sleep-deprived men also rate women as more attractive than they do when they’re well rested, so depending on your sleep situation, it could be years before you realize you didn’t so much marry a smokeshow as a dying ember show.

Getting (Dangerously) Happy

On the flip side of the crankiness normally associated with a lack of sleep is the possibility of sleep-deprivation-induced euphoria, a state of extreme giddiness, confidence, and optimism that basically mimics a manic episode. It sounds fun, but people who experience mania will tell you it’s not, mainly due to the increased risk of dangerous or just plain embarrassing behavior.

You’ll Think You’re Fine

Man in car

(Omotayo Tajudeen/Unsplash)

Despite all those awesome neurotransmitters going into overdrive, you may not actually feel stoned, because we all know that guy who insists he’s fine to drive even though he spent the afternoon polishing off a joint the size of Snoop Dogg. Your sleep-deprived brain is that guy. People whose reaction times tank due to a lack of sleep tend to think they haven’t changed at all, which can be a disaster when they, say, get behind the wheel. So do everyone a favor and keep your drooling, shambling carcass at home until your next bedtime, where you can only ruin your own life.

Top image: Sander Sammy/Unsplash

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