![]() Sex drought: Sleep or sex? Sex or sleep? When you're really, really tired, you don't always get to chooZzZz.ġ3. Together, this can ultimately suppress your reproductive hormones and impair your ability to sustain a pregnancy, according to an article published in Sleep Medicine.ġ2. ![]() Fertility issues: While there's no conclusive proof that sleep deprivation directly causes infertility, experts know that lack of sleep can stress you out and suspect it can also can interfere with your body's circadian rhythm. Paruthi says fatigue can cause an awkward-looking eye spaz called nystagmus, which makes your eyeballs move even involuntarily, even though your head is still.ġ1. ![]() When you don't give your brain enough rest, it functions at half-mast, and you'll end up making less than savory choices, Dr. No sleep, no storage.ĩ. Poor decisions: Many parts of the brain are involved in decision-making. ![]() Your brain needs to cycle through certain deep sleep stages to store memories and solidify the things you learn. When you fall asleep, your heart rate and metabolic rate drop so your body can focus on those things, says Dr. Lower GPA: Research suggests that college students who sleep the least earn lower grades than those who sleep nine or more hours per night. Meaning? You're more susceptible to angry tangents when you're sleepy.Ĩ. Moodiness: There's something about exhaustion that turns you into Negative Nancy: In a two-year study in which 78 medical residents tracked their sleep and intermittently recorded their emotional responses to various stimuli, researchers found that fatigue intensified participants' negative emotions. Sleep deprivation actually affects your mood even more than it does your motor and cognitive performance, according to a massive review of 19 original research studies published in Sleep. Impaired creativity: Neuroimaging studies suggest that the brain spontaneously reorganizes information when you rest, which could explain why it's so much harder to focus and come up with ideas when you haven't slept.ħ. So yes, going to bed too late could eventually kill you.Ħ. And it doesn't matter whether you were up late to work on spreadsheets or to work on catching up on The Mindy Project.ĥ. Greater risk of death: People who sleep less than five hours per night are 15 percent more likely to die from literally any cause, according to data from three massive studies. Shalini Paruthi, director of the Pediatric Sleep and Research Center at SSM Cardinal Glennon Children's Medical Center in St. Stress: When you don't get enough sleep, your body naturally releases the stress hormone cortisol, says Dr. People who slept fewer than six hours a night were the least likely to respond to the vaccine and were 11.5 percent more likely to emerge unprotected.Ĥ. But exhaustion compromises the immune system, so your body doesn't produce adequate antibodies, according to a study in which researchers administered hepatitis B vaccinations and measured patients' antibodies before and after treatment. Weakened immune system and reduced effectiveness of certain vaccinations: Vaccines are designed to trick your body into creating antibodies that provide immunity to a particular disease or infection. Over time, this could damage your heart, arteries, kidneys, and even bring about stroke, loss of vision, and a host of other health problems you seriously don't want.ģ. Heightened blood pressure: Sleep loss stresses out your body and mind in a way that causes your blood pressure to spike. Increased risk of disease: In a recent study involving more than 54,000 adults, researchers found that people who sleep less than six hours per night (or more than nine) were significantly more likely to have heart disease or diabetes, have suffered a stroke, or be obese, even after researchers adjusted the results for other known risk factors.Ģ. But they do suggest you look out for these scary side effects of skimping on sleep in your 20s:ġ. (The American Academy of Sleep Medicine recommends between 7 and 9 hours of sleep per night for adults.Įxperts are just beginning to understand how sleep affects just about everything you do. When you keep not getting enough sleep, it can affect your body in the long run. Unfortunately, late nights don't just make morning suck. Your 20s are full of new jobs and dates and trips and parties and mistakes that you can fix (or forget about) in your 30s.
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