After vomiting at night, the most important steps are to avoid lying flat, give your stomach a few hours to settle before eating or drinking, and protect yourself from dehydration. Most nighttime vomiting episodes are caused by something self-limiting like food poisoning, a stomach virus, or overeating, and you can manage recovery at home with a few straightforward steps.
Rest Your Stomach First
Your instinct might be to drink water right away, but your stomach needs a grace period of a couple hours to calm down. Drinking too soon can trigger another round of vomiting, which makes dehydration worse and keeps you up longer. During this waiting period, you can suck on small ice chips if your mouth feels dry. After about two hours, start with small sips of water every 15 minutes rather than gulping down a full glass.
How to Sleep Safely Afterward
If you’re still feeling nauseous, do not lie flat on your back. Lying flat increases the risk of inhaling vomit into your lungs if you throw up again in your sleep. Prop yourself up with pillows so your head and upper body are elevated, or sleep on your right side with your head raised. Your stomach empties more efficiently in this position because of gravity. If you’re caring for someone else who vomited, especially a child or someone who has been drinking alcohol, place them on their side and stay nearby to check on them.
Rinse Your Mouth, but Don’t Brush
Stomach acid is harsh on tooth enamel, and your first impulse will be to brush the taste away. Resist that for at least an hour. Brushing right after vomiting scrubs the acid deeper into softened enamel and causes lasting damage. Instead, mix one teaspoon of baking soda into a cup of water, swish it around your mouth, and spit it out. This neutralizes the acid and gets rid of most of the unpleasant taste without harming your teeth.
Rehydrating the Next Morning
By morning, your priority is replacing lost fluids and electrolytes. Plain water works, but if you vomited multiple times, a drink with sodium helps your body hold onto the fluid better. Oral rehydration solutions from the pharmacy contain about three times more sodium than a typical sports drink, making them more effective for actual rehydration. That said, sports drinks, diluted juice, or clear broth are all reasonable options. The total volume of fluid you take in matters more than the exact formula, so drink whatever you can tolerate in steady small amounts.
Watch your urine color as a simple hydration gauge. Pale or light yellow means you’re well hydrated. Medium to dark yellow means you need more fluids. If your urine is very dark, concentrated, and small in volume, or you’re not urinating at all, that’s a sign of significant dehydration.
When and What to Eat
You’ve probably heard of the BRAT diet: bananas, rice, applesauce, and toast. It’s fine as a starting point, but there’s no reason to limit yourself to just those four foods. Brothy soups, oatmeal, boiled potatoes, crackers, and plain dry cereal are equally gentle on your stomach and provide more of the protein and nutrients your body needs to recover. The key is choosing bland, easy-to-digest foods and eating small portions.
Avoid greasy, spicy, or heavily seasoned food for at least 24 hours. Dairy and caffeine can also irritate a recovering stomach, so hold off on coffee and milk until you’ve kept bland food down comfortably for a meal or two.
If You Vomited Up Medication
If you take a daily medication like birth control, blood pressure pills, or anything else on a schedule, timing matters. The general guideline is that you can retake the dose if you vomited within 15 minutes of swallowing it, or if you can see the intact pill in the vomit. If more than an hour passed between swallowing the medication and throwing up, your body likely absorbed most of it, and retaking it could give you a double dose. For anything in between, or for high-stakes medications, call your pharmacist in the morning for specific guidance.
Warning Signs That Need Medical Attention
Most vomiting episodes resolve on their own within a day. But certain symptoms alongside vomiting point to something more serious:
- Vomit that contains blood, looks like coffee grounds, or is green. These can signal bleeding in your digestive tract or a bowel obstruction.
- Severe abdominal pain or cramping that doesn’t ease after vomiting.
- Chest pain, confusion, or blurred vision.
- High fever with a stiff neck.
- Signs of dehydration you can’t correct at home: extreme thirst, dry mouth, dizziness when standing, dark urine, or no urination for many hours.
For adults, vomiting that continues beyond two days warrants a doctor’s visit. For children under two, the threshold is 24 hours, and for infants, 12 hours. Recurring bouts of nausea and vomiting over weeks, or unexplained weight loss alongside vomiting, also deserve medical evaluation even if each individual episode seems manageable.