What's the difference between night and pernoctation?

Night

Definition:

(n.) That part of the natural day when the sun is beneath the horizon, or the time from sunset to sunrise; esp., the time between dusk and dawn, when there is no light of the sun, but only moonlight, starlight, or artificial light.
(n.) Darkness; obscurity; concealment.
(n.) Intellectual and moral darkness; ignorance.
(n.) A state of affliction; adversity; as, a dreary night of sorrow.
(n.) The period after the close of life; death.
(n.) A lifeless or unenlivened period, as when nature seems to sleep.

Example Sentences:

(1) Seventy patients were randomised to Fm 40 mg at night and Rn placebo and 62 to Rn 300 mg at night and Fm placebo.
(2) On Friday night, in a stadium built in an area once deemed an urban wasteland, the flame that has journeyed from Athens to every corner of these islands will light the fire that launches the London Olympics of 2012.
(3) As far as acrophase table is concerned for all enzymes and fractions the acrophase occurred during the night.
(4) The night before, he was addressing the students at the Oxford Union , in the English he learned during four years as a student in America.
(5) I felt a much stronger connection with the kids on my home block, who I rode bikes with nightly.
(6) David Cameron last night hit out at his fellow world leaders after the G8 dropped the promise to meet the historic aid commitments made at Gleneagles in 2005 from this year's summit communique.
(7) This was carried out on the healthy subjects for a total of 12 nights without medication (control nights asleep), a total of 12 nights following 40 mg of flucortolone the previous morning, and a total of 6 nights with similar blood sampling when sleep was prevented (control nights awake).
(8) The amount of water, creatinine, electrolytes, proteins, and enzymes were higher during the day (up to three fold, p always less than 0.05), while equal amounts of amino acids were excreted in the day and the night period.
(9) Spotlight is still the favourite to win best picture A dinner in Beverly Hills was hosted in Spotlight’s honor on Sunday night.
(10) Assessments were made daily by patients, using visual analogue scales, of their pain levels at rest, at night and on activity, and of the limitation of their activity.
(11) The findings reported here suggest that if women nurse exclusively for the 1st half year, maintaining night nursing after introducing supplements is important.
(12) "I hope that he has the sleepless nights I have had for the past five weeks because my son sustained horrific injuries."
(13) He campaigned for a no vote and won handsomely, backed by more than 61%, before performing a striking U-turn on Thursday night, re-tabling the same austerity terms he had campaigned to defeat and which the voters rejected.
(14) One radio critic described Jacobs' late night Sunday show as a "tidying-up time, a time for wistfulness, melancholy, a recognition that there were once great things and great feelings in this world.
(15) Alternatively, try the Hawaii Fish O nights, every Friday from 26 July until the end of August, featuring a one-hour paddleboard lesson, followed by a fish-and-chip supper looking out over the waves you've just battled (£16.75).
(16) The subjects underwent a lumbar puncture and three nights of polysomnography.
(17) At 9.30am, ITV was at 69.2p, up 1.7% on last night's closing price.
(18) 12pm, Channel 4 press office: "I refer you to the statement put out last night."
(19) I haven't had to face anyone like the man who threatened to call the police when he decided his card had been cloned after sharing three bottles of wine with his wife, or the drunk woman who became violent and announced that she was a solicitor who was going to get this fucking place shut down – two customers Andrew had to deal with on the same night.
(20) All 17 candidates are going to be participating in debate night and I think that’s a wonderful opportunity Reince Priebus Republican party officials have defended the decision to limit participation, pointing out that the chasing pack will get a chance to debate separately before the main event.