Why You Shouldn’t ‘Sweat It Out’ After Drinking

One tequila, two tequila, three tequila … gym? "Sweat it out" is a common phrase we hear from those trying to mask a massive hangover or detox toxins after a heavy meal. But is that the right prescription for your body?

Think that post-drinking run is doing your body good? Think again. (Image: Maridav/iStock/GettyImages)

The opinions and research vary. According to an August 2016 study in the British Journal of Sports Medicine, physical activity can help offset some cancer and cardiovascular mortality risk associated with alcohol consumption. But some advise that post-drinking may actually be the perfect time to skip physical activity, pending on when you're trying to get after it. Here, the experts weigh in on why you should hold off and offer up their best suggestions for beating that less-than-stellar feeling.

1. Sweating Will Only Make You More Dehydrated

"I don't recommend performing moderate to intense workouts on hungover days," says Rick Rutkowski, certified strength and conditioning specialist (CSCS) and founder of The Body Lab in Jersey City, New Jersey. Under these circumstances, working out dehydrated, tired and weak can create potentially damaging consequences for the body, he adds.

"The actual act of sweating out alcohol or toxins, secretes these toxins through sweat, skin and breath, which is only going to make you more dehydrated," says Rutkowski. If you do anything, he suggests light aerobics and rehab exercises in addition to to as much hydration as much as possible the following day.

Think you're fine? Before you sweat, do a urine check. If your urine is yellow instead of almost clear and your skin is dry, then you're dehydrated and should sit the exercise out.

2. You Haven't Had a Good Night's Rest

Most hangovers come with less, restless sleep. One November 2015 study published in the Korean Journal of Family Medicine showed that increase alcohol use is associated with poor quality shuteye. "Don't physically challenge your central nervous system under those conditions," suggests Rutkowski. "That's just asking for an injury."

Lack of sleep from large amounts of alcohol can also impede muscle recovery and other physical restorative functions that happen during slumber, according to an April 2013 study in Alcoholism: Clinical and Experimental Research. Aim to get seven or more hours per night, suggests the Centers for Disease Control and Prevention (CDC), especially before a workout.

3. You're Likely Low on Electrolytes

With dehydration also comes a loss of electrolytes and sodium in the body, according to the CDC. This absence can cause muscle contractions, cramps and potentially lead to injury, says Rutkowski.

"Four drinks could be equal to one quart of fluid loss," he says. "So you have to make up for that and the electrolyte imbalance and loss of sodium, which can negatively affect muscle contraction when working out."

Remember: Too much water when you're dehydrated can cause you to lose valuable electrolytes, which your body really needs. Instead, drinking sports drinks can help replace those electrolytes while hydrating your body. Aim for

4. Your Digestion is Out of Whack

If your usual cure for a hangover is a greasy meal (hello, burgers!), you're doing it wrong. A big meal can be a disaster before a workout, says Melissa Rifkin, MS, RD.

"It will leave you more sluggish and dehydrated because of the high sodium intake," she says. "Not only could eating something that high in saturated fat be bad for cardiac issues, but that fat takes a long time to digest. Not exactly ideal for a workout."

To add insult to injury: Drinking suppresses the release of hormones that send a message to your kidneys to retain fluid, causing you to pee more often, according to the National Institute on Alcohol and Substance Abuse (NIAAA). This can lead to dehydration says Rifkin. "Coupling that with exercise makes the kidneys and body work in overdrive," she adds.

Instead, look to consume a healthy meal that will pack in macronutrients and micronutrients. Rifkin suggests egg whites, whole grain toast, avocado and an orange.

What About Non-Activity Sweating, Like a Sauna?

Sometimes sweating feels right after a big night out, but you're not really in the mood to put in the work. Rutkowski advises against leaning into a sauna, as well. "Saunas are another negative thing to do the day after drinking," says he says. "You do not want to sweat it out in that environment; it will only make you more dehydrated."

Warning

Dizziness, shaking, nausea, vomiting or a bad headache are all signs that you need to stop any workout you're doing ASAP.

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