Normally, the amount of urine your body produces decreases at night. This allows most people to sleep 6 to 8 hours without having to urinate.
Some people wake up from sleep more often to urinate during the night. This can disrupt sleep cycles.
Drinking too much fluid during the evening can cause you to urinate more often during the night. Caffeine and alcohol after dinner can also lead to this problem.
Other common causes of urination at night include:
Other conditions that can lead to the problem include:
Waking often during the night to urinate can also be linked to obstructive sleep apnea and other sleeping disorders. Nocturia may go away when the sleeping problem is under control.
To monitor the problem:
Call your health care provider if:
Your health care provider will perform a physical exam and ask questions such as:
Tests that may be performed include:
Treatment depends on the cause. If excessive nighttime urination is due to diuretic medicines, you may be told to take your medication earlier in the day.
Carter C, Stallworth J, Holleman. Urinary tract disorders. In: Rakel RE, ed. Textbook of Family Medicine. 8th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 40.
Gerber GS, Brendler CB. Evaluation of the urologic patient: In: Wein AJ, ed. Campbell-Walsh Urology. 10th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 3.
Landry DW, Bazari H. Approach to the patient with renal disease. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 116.
Updated by: Louis S. Liou, MD, PhD, Chief of Urology, Cambridge Health Alliance, Visiting Assistant Professor of Surgery, Harvard Medical School. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team.
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