Bladder scan: shows how much urine is still in the bladder after you go to the bathroom.Blood test: checks the kidney and thyroid, cholesterol levels and the presence of anemia, diabetes or other problems.Urine culture and urinalysis: check for infection, unwanted blood, and other elements in your urine.If your health care provider needs more information, you may have a: Do you feel like you're getting enough sleep?.How much caffeine or alcohol do you drink each day? When?.Has the amount of urine you make changed (increased or decreased)?.Is there a large or small amount of urine when you go?.How many times do you need to go to the bathroom each night?.to track trends over a period of time which can lead to useful treatments. This diary is used to keep track of things like the kind and amount of liquids you drink, trips to bathroom, etc. Your health care provider may also ask you to keep a bladder diary in order to help with a diagnosis. You'll be asked about your symptoms and health history. You and your health care provider will want to learn the cause of your nocturia.

Often, several of these issues may be going on at once. Nocturnal polyuria (when your body produces too much urine at night for your bladder to hold).Edema in the lower limbs, or leg swelling.Enlarged prostate (prostatic hyperplasia (BPH).Bladder obstruction ( stones), inflammation or other problems that affect bladder capacity (like bladder surgery or fibrosis from radiation).Heart disease, vascular disease or congestive heart failure.Underlying health conditions can cause nocturia. Sleep disorders, like insomnia or sleep apnea.The timing or dose of medicines, such as: diuretic medicine (water pills), cardiac glycosides, demeclocycline, lithium, methoxyflurane, phenytoin, propoxyphene, and excessive vitamin D.Behavioral patterns (you've trained your body to wake up during the night to use the bathroom, even if you don't necessarily have to go).Drinking too much fluid before bedtime (especially caffeine or alcohol).The following lifestyle habits are known to cause nocturia in either men or women: Or it could be from certain medication, illnesses or reduced bladder capacity. Nocturia can be from a simple habit like drinking too much fluid (especially caffeine or alcohol) before bed. The sphincter muscles then open and urine is released out of the body. This pushes urine out of the bladder and through the urethra. Once you are ready to urinate, the brain sends a signal to the bladder. It is kept closed with sphincter muscles. The urethra is a tube that carries urine from the bladder, out of the body. The muscular neck (end) of the bladder stays closed to store urine. The muscles in the lower part of the pelvis hold the bladder in place. The brain and the bladder work together to control urinary function. The bladder holds urine until you are ready to empty it.

Urine travels from the kidneys to the bladder through the ureters (the tubes that join them). Normally, the kidneys make about 1½ to 2 quarts of urine each day in an adult less in children. Urine forms when the kidneys clean your blood. This work is part of the Canon of the Netherlands.The 'urinary tract' includes the organs in your body that make, store and remove urine. He painted the constellations precisely as they appeared on the night of 16 or 17 September 1888. He writes to his sister Wil: ‘I enormously enjoy painting on the spot at night.’ The fact that he observes keenly is borne out by later astronomical research. Van Gogh was pleased with the effect: ‘I believe that an abundance of gaslight, which, after all, is yellow and orange, intensifies blue.’ Constellations The most eye-catching aspect is the sharp contrast between the warm yellow, green and orange colours under the marquise and the deep blue of the starry sky, which is reinforced by the dark blue of the houses in the background. Equally unconventional is that he paints this gas-lit terrace of a café in Arles in situ and in the dark, because colours have a different appearance during the day than by night. And not one in the conventional manner, in shades of black and grey, but actually with an abundance of colours. Van Gogh had intended to make a nocturnal painting for some time.

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