(n.) The time from dusk to dawn; -- opposed to daytime.
Example Sentences:
(1) AEDs may also have differential effects on nighttime sleep.
(2) These injections had no effect on either the nighttime increase or the lights on inhibition of SNAT.
(3) Activity index showed a marked decrease after 80 hours of sleep deprivation compared with that after 40 hours and was dramatically worsened during nighttime.
(4) The association between target organ damage and systolic BP SD was present both in men and women, while that with nighttime BP was present only in men.
(5) The pH of their gastric contents was measured at hourly daytime and two hourly nighttime intervals for 48 hours.
(6) In order to investigate the possible alterations of electrical activity of aged rat pineal glands, electrophysiological recordings in 3- and 18-month-old male Sprague-Dawley rats were undertaken at both daytime and nighttime.
(7) Thirty patients with endoscopy-proved symptomatic duodenal ulcer disease completed a randomized, double-blind, placebo-controlled trial of nighttime anisotropine methyl bromide therapy.
(8) In addition, we suggest the possibility that errors of judgment based on the nonveridical perception of motion displaced in time may play a role in nighttime automobile and aircraft accidents.
(9) The higher acid inhibitory effect of the twice daily dose regimens than of the single ones was evident during the daytime, whereas no difference between them was found during the nighttime (from 2200 to 0800 h).
(10) Sixty-eight percent of the unhealed patients were successfully healed; of these patients, 81% were free of daytime pain and 89% were free of nighttime pain.
(11) A homeless person is someone "who lacks a fixed, regular, and adequate nighttime residence" and whose main nighttime residence is a "supervised public or private shelter designed to provide temporary living accommodations; an institution that provides a temporary residence for individuals intended to be institutionalized; or a public or private place not designed for, or ordinarily used as, a regular sleeping accommodation for human beings."
(12) Since this effect might be mediated by exercise-induced cortisol secretion from the adrenal gland, in the present investigation we studied the relationship between cortisol and melatonin responses to nighttime physical stress in six healthy men, aged 28-33 yr.
(13) The present study indicates that the nighttime peak of N-acetyltransferase activity developed by organ-cultured chick pineal glands is inhibited by adrenergic agonists with a potency order characterizing alpha 2-adrenergic receptors: UK 14,304 greater than clonidine greater than alpha-methylnorepinephrine = epinephrine greater than cirazoline greater than phenylephrine greater than isoproterenol.
(14) One hundred fifty-six adult women were randomly assigned to receive either patient-controlled analgesia (PCA) alone or PCA supplemented with a nighttime infusion of morphine 1.0 mg.h-1.
(15) The pineal hormone melatonin (MLT) is secreted in a circadian rhythm with high serum levels during nighttime and low serum levels during daytime.
(16) Monocular drives were poorer than binocular drivers only in sign reading distance in both daytime and nighttime driving.
(17) These results demonstrate that forced nighttime swimming, unlike several other aversive stimuli, can evoke changes in the normal pattern of pineal melatonin production in this species.
(18) Finally, within the alcohol group, alcohol history was found to significantly correlate with nighttime mean and minimum SaO2 and absolute SaO2 desaturation.
(19) The urinary excretion of endogenous creatinine remained constant during both daytime and nighttime at both 1 and 31 ATA.
(20) Physicians have treated PCOD with clomiphene citrate or nighttime small doses of corticosteroids for 20-30 years.