Is frequent nighttime urination doing
a number on you?

Waking up at night to urinate is a condition called nocturia. But as your Wake Number (the number of times you wake at night to urinate) increases, so does the impact. The good news is that you don’t have to suffer in silence. Nocturia is treatable, and you can do something about it.

That’s why keeping track of your Wake Number is so important.

Take the Wake Number Quiz

Waking up 2 or more times
a night to urinate may affect up to
70 million adults in the U.S.—22% of the population.

Nocturia can interrupt sleep and disrupt health.

Nocturnal polyuria syndrome

As the number of times you wake up increases,
so does the impact

  • Leads to greater work impairment
  • Significantly more fall-related fractures
  • Increased hypertension and diabetes
  • A higher likelihood of depression

Nocturia affects adults of all ages

A study of over 9000 adults revealed:

Men with nocturia
Women with nocturia

What's your Wake Number?

A Wake Number is the number of times you are waking up during the night
to urinate. The more times you wake up, the more frustrating it can become.
But you don't have to suffer in silence because you can do something about it.
It all starts with your Wake Number.

Where are you on the Wake Number scale?

Waking up 2 or more times a night to urinate could also mean that your nocturia is due to
nocturnal polyuria (NP), a condition that causes your kidneys to produce too much urine at night.
That’s another reason why keeping track of your Wake Number is so important.

Your Wake Number should also be part of a discussion with your doctor about
your symptoms—along with the results of your Wake Number Quiz.

Take the Wake Number Quiz

What is nocturnal polyuria (NP)?

Though an overactive bladder (OAB) or an enlarged prostate (BPH)
are major causes of nocturia, the leading cause is NP.

Overactive Bladder (OAB)
What is nocturia
Enlarged Prostate (BPH)
noctguria treatment medications
Nocturnal Polyuria (NP)

NP differs from OAB and BPH in an important way: it affects the kidneys. With NP, a natural hormone in your body called vasopressin (vaz-o-press-in) becomes impaired at night. This hormone imbalance stops your kidneys from reabsorbing water as they normally would, causing them to produce more urine at night. This can lead to frequent nighttime bathroom visits.

NP is the leading cause of nocturia and is found in up to 88% of patients with nocturia.*

*Based on completed frequency-volume charts.

Completing the Wake Number Quiz can help you uncover a condition you may have.

Take the Wake Number Quiz

Volume is important too

Another telltale sign of NP is high urine volume (feeling like you're passing a large amount of urine
each time you pee). In NP, this high urine volume usually occurs only at night. Your doctor can help you
determine if you have this condition by measuring the amount of urine you produce over 24 hours.

Normal 24-hour urine production
Who suffers from nocturnal polyuria (NP)
Nocturnal Polyuria (NP)
frequent urination in elderly at night

NP happens when the volume of nighttime urine produced by the kidney is:

managing nocturia More

of daily urine total
in patients younger than 65

managing nocturia More

of daily urine total
in patients older than 65

A Voiding Diary ("voiding" is a more clinical term for urination) can help
you and your doctor further evaluate your condition.

Download a sample Voiding Diary

There's also a good chance that if you have been diagnosed
with OAB or BPH, you may also have NP. Studies show:

More than 60 %

of men and women with

What causes nocturia OAB also have
More than 85 %

of men with

What causes nocturia BPH also have
Nocturia treatment

When treating your nocturia, the bladder and the prostate aren't always the right target.
OAB and BPH medications may not help because NP affects the kidneys.

If your Wake Number continues to be 2 or higher—
talk to your doctor.

Keep track of your Wake Number—
and take the Wake Number Quiz

After clicking through and answering the 5 questions below, your completed Wake Number Quiz will appear. Print it out and
use it to have a discussion with your doctor about what could be causing your frequent nighttime urination.

What's Causing Me to Urinate a Lot at Night?

If you are experiencing frequent nighttime urination, answer a few questions and share the results with your doctor.

Thanks for taking the time to answer these questions. Take this guide to your doctor and start a conversation.



Waking up during the night to urinate is a condition known as “nocturia.” It may affect up to 70 million adults in the US. But while many believe the cause of nocturia originates in the bladder or prostate, the true cause may be a lesser-known
suspect: nocturnal polyuria (NP), a disease that affects the kidneys, causing overproduction of urine at night.

If your nighttime urine volume is similar to or more than your
overall daytime urine volume, there’s a strong chance that
nocturnal polyuria (NP) may be the culprit.

Waking up throughout the night to urinate isn’t something you have to live with
—and you are certainly allowed to be bothered. That's why you should talk to your doctor.
Reducing the amount of liquids you consume before bedtime is a good
place to start. However, this may not fully address the underlying problem.
Talk to your doctor about medications you are currently taking or have taken in the past.

Voiding Diary

The Voiding Diary is another tool you and your doctor can use to further evaluate your nighttime
urination condition. Print and use these pages and bring them to your doctor to have a discussion.
Remember that your condition may be treatable, and you don't have to suffer in silence.