http://miktionsbeschwerden.universimed.com/

diuria - frequency of urination during the day

nycturia - frequnt urination during the night, especially the passage of more urine at the night than during the day
Dorland's Iluustrated Medical Dictionary

A more common cause of hypophosphatemia, however, is generalized proximal tubular dysfunction, also known as Fanconi’s syndrome, in which urinary phosphate wasting occurs along with glucosuria, aminoaco-
diuria, and metabolic acidosis.
http://mislibrosmedicina.net/LIBROS/Clinical Decisions in Ne...

The symptoms of lower urinary system due to Benign Prostatic Hyperplasia are either obstructive or irritative. The obstructive symptoms include difficulty of starting a urine stream, repeated start-stop urination, feeling that the bladder is not completely empty, prolonged urination e.t.c., while as the irritative symptoms include diuria, nocturia, urge to urinate and incontinence.
http://www.pharmanel.gr/en_US/urology

Voiding symptoms include hesitancy, abdominal straining, intermittency, weak urinary stream, dribbling, sensation of incomplete emptying, dysuria and increased diuria.
http://books.google.co.uk/books?id=9AKuf7rzfjcC&pg=PA483&lpg... (page 483)

Nocturia (derived from Latin nox, night, and Greek [τα] ούρα, urine), also called nycturia (Greek νυκτουρία), is defined by the International Continence Society (ICS) as “the complaint that the individual has to wake at night one or more times for voiding.”[1] The pathophysiology of nocturia is multifaceted and can be complex and its cause remains unclear in a significant number of patients.[2]
http://en.wikipedia.org/wiki/Nocturia

Nocturia
(Nycturia)
Frequent urination at night that interrupts sleep. It is often associated with outflow obstruction, diabetes mellitus, or bladder inflammation (cystitis).
http://lookfordiagnosis.com/mesh_info.php?term=nocturia&lang...

A few other minor sleep disorders and conditions affecting sleep are worth mentioning, including:
nocturia or nycturia, interrupted sleep due to the frequent need to get up to urinate during the night, particularly common in pregnant women and the elderly.
http://www.howsleepworks.com/disorders_other.html