How Do I Set a Reminder to Drink Water Every Hour?

Setting a reminder to drink water every hour is a smart hydration strategy — especially if you work at a desk, forget to drink when focused, or regularly hit afternoon headaches. The fastest way to set this up is with an SMS reminder service like YouGot, which doesn't require app installs or intake logging. Here's how to do it, plus the hydration science that makes the schedule worthwhile.

Method 1: SMS Reminder (Fastest, Any Phone)

YouGot accepts plain-English reminders and fires them via SMS:

• Remind me to drink water every hour from 8am to 5pm on weekdays.
• Text me every hour from 9am to 6pm to drink a glass of water.
• Remind me to drink water every 2 hours from 7am to 9pm.
• Send me a water reminder every hour during work hours, Monday through Friday starting at 9am.

Set it once, get hourly nudges every day without reopening any app. Works on iPhones, Android, and basic cell phones — no internet connection needed when the text arrives.

Method 2: iPhone Clock App

1. Open the Clock app → Alarms
2. Tap + to add a new alarm
3. Set the time (e.g., 9:00 AM)
4. Tap Repeat → select every day
5. Label it "Drink water"
6. Repeat this for each hour you want (9am, 10am, 11am, etc.)

Limitation: Each alarm is a separate setup. Setting 8 alarms for 8 working hours takes several minutes and creates alarm clutter. You also can't add them in bulk.

Method 3: Android Clock App

Same process as iPhone: Clock → Alarm → set time → repeat daily → label. Same limitation: one alarm per hour.

Shortcut (Android): Download the app "Hydro Coach" or use Google Assistant: "Hey Google, remind me to drink water every hour from 9am to 5pm." Google will create multiple reminders at once.

Method 4: iOS Shortcuts Automation

For iPhone users who want more control:

1. Open Shortcuts app → Automation tab
2. Tap + → Personal Automation → Time of Day
3. Set start time (e.g., 9:00 AM), repeat interval: 1 hour, until 5:00 PM
4. Add action: Show Notification with text "Drink a glass of water"
5. Toggle off "Ask Before Running"

This creates a single automation that fires automatically each hour — cleaner than individual alarms. Works silently in the background.

Method 5: Dedicated Hydration Apps

App	Platform	Tracking	Best For
WaterMinder	iOS/Android	Yes	Detailed intake logging
Hydro Coach	Android	Yes	Goal-based reminders
Plant Nanny	iOS/Android	Yes	Gamified habit
Daily Water Tracker	iOS/Android	Yes	Simple reminders
YouGot	iOS/Android/any phone	No (just reminders)	Simple no-log nudges

If you want to track exactly how much you're drinking, a hydration app with intake logging (WaterMinder, Hydro Coach) adds accountability. If you just want the reminder without the tracking overhead, SMS via YouGot is simpler.

How Much Water Do You Actually Need Per Hour?

The common "8 glasses a day" guideline is a rough approximation. A more precise framework:

General daily target (for sedentary adults in temperate climates):

• Women: 2.7 liters/day (91 oz)
• Men: 3.7 liters/day (125 oz)

(Source: National Academies of Sciences, Engineering, and Medicine)

Spread over 10 waking hours: roughly 250–370ml (8–12 oz) per hour.

Adjust up for:

• Exercise (add 500–1000ml per hour of activity)
• Hot or dry environments
• High-altitude locations
• Pregnancy or breastfeeding
• High-sodium or high-protein diets

Simple personal benchmark: Your urine should be pale yellow throughout the day. Dark yellow = drink more. Clear and very frequent = you may be over-hydrating.

Why You Keep Forgetting to Drink Water

Here's the uncomfortable truth: thirst is a lagging indicator. By the time you feel thirsty, you're typically 1–2% dehydrated — enough to impair cognitive performance, increase fatigue, and trigger headaches. Proactive reminders are more reliable than the thirst signal.

Additional reasons the thirst signal fails:

• Age: thirst perception diminishes with age, making elderly adults especially vulnerable to dehydration
• Cognitive focus: deep work suppresses interoceptive signals including thirst
• Air conditioning and dry office environments: accelerate fluid loss without triggering sweat-based awareness
• Caffeine: coffee and tea are mild diuretics; coffee drinkers lose slightly more fluid than they gain from the drink itself

Building a proactive reminder removes dependence on an unreliable biological signal.

Smarter Scheduling: Not Necessarily Every Hour

Hourly reminders work well for people who regularly go long stretches without drinking. But you can also schedule strategically:

• Morning ramp: bigger reminders early (wake-up water, pre-coffee water) to compensate for overnight dehydration
• Pre-meal reminders: drinking 500ml 30 minutes before meals also has evidence for appetite regulation
• Afternoon slump: a reminder at 2–3pm targets the time when dehydration most commonly peaks and focus drops
• Pre-workout: a 500ml reminder 1–2 hours before exercise

For a balanced approach: Remind me to drink a full glass of water when I wake up at 7am, at 10am, at 1pm, at 3pm, and at 5pm every day.

Connecting Hydration to Other Wellness Habits

Water reminders pair naturally with other wellness habit reminders. If you're building a morning health stack, set these together:

• Remind me to take my vitamins every morning at 8am.
• Text me to drink a glass of water every day when I wake up at 7am.
• Remind me at 2pm every weekday to get up from my desk and walk for 5 minutes.

See YouGot for health habits or check YouGot's pricing for unlimited recurring reminders. Read more wellness habit guides on the blog.

Frequently Asked Questions

How do I set a reminder to drink water every hour?

The simplest method: use YouGot and type 'Remind me to drink water every hour from 8am to 5pm.' It fires via SMS at each hour you specify. Alternatively, use iOS Shortcuts to create a single hourly automation, or use a hydration app like WaterMinder or Hydro Coach that sends hourly push notifications.

How much water should I drink per hour?

For sedentary adults, roughly 250–370ml (8–12 oz) per hour during waking hours. This hits the general 2.7–3.7 liter daily target. Adjust up for exercise, hot climates, and pregnancy. A practical benchmark: your urine should be light yellow throughout the day.

Is it healthy to drink water every hour?

For most people, yes. Spacing water intake throughout the day is more effective than drinking large amounts at once. The kidneys process about 0.8–1 liter per hour maximum, so normal hourly sipping is well within healthy range.

What app sends water reminders every hour?

Dedicated options include WaterMinder, Hydro Coach, and Plant Nanny for intake tracking + reminders. For simple reminders without tracking, YouGot sends hourly SMS reminders ('Remind me to drink water every hour from 8am to 5pm') with no intake logging required.

Why do I keep forgetting to drink water?

Thirst perception dulls during focused cognitive work and diminishes with age. Many people only feel thirsty after dehydration is already underway. Setting proactive hourly reminders is more reliable than waiting for the thirst signal, which is consistently a lagging indicator of hydration status.