What's the difference between sleep and sleepless?

Sleep


Definition:

  • () imp. of Sleep. Slept.
  • (v. i.) To take rest by a suspension of the voluntary exercise of the powers of the body and mind, and an apathy of the organs of sense; to slumber.
  • (v. i.) To be careless, inattentive, or uncouncerned; not to be vigilant; to live thoughtlessly.
  • (v. i.) To be dead; to lie in the grave.
  • (v. i.) To be, or appear to be, in repose; to be quiet; to be unemployed, unused, or unagitated; to rest; to lie dormant; as, a question sleeps for the present; the law sleeps.
  • (v. t.) To be slumbering in; -- followed by a cognate object; as, to sleep a dreamless sleep.
  • (v. t.) To give sleep to; to furnish with accomodations for sleeping; to lodge.
  • (v. i.) A natural and healthy, but temporary and periodical, suspension of the functions of the organs of sense, as well as of those of the voluntary and rational soul; that state of the animal in which there is a lessened acuteness of sensory perception, a confusion of ideas, and a loss of mental control, followed by a more or less unconscious state.

Example Sentences:

  • (1) AEDs may also have differential effects on nighttime sleep.
  • (2) It is supposed that delta-sleep peptide along with other oligopeptides is one of the factors determining individual animal resistance to emotional stress, which is supported by significant delta-sleep peptide increase in hypothalamus in stable rats.
  • (3) For assessment of clinical status, investigators must rely on the use of standardized instruments for patient self-reporting of fatigue, mood disturbance, functional status, sleep disorder, global well-being, and pain.
  • (4) We investigated whether these peptides also affect the sleep EEG in humans when given intravenously by comparing polysomnographically the effects of four boluses of (1) placebo, (2) 50 micrograms GHRH or (3) 50 micrograms SRIF administered at 22.00, 23.00, 24.00 and 1.00 h to 7 male controls.
  • (5) Polygraphic recordings during sleep were performed on 18 elderly persons (age range: 64-100 years).
  • (6) 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).
  • (7) Although temazepam was effective for maintaining sleep with short-term use, there was rapid development of tolerance for this effect with intermediate-term use.
  • (8) The occurrence of episodes of desaturation during sleep in patients suffering from chronic airflow obstruction is well known.
  • (9) A lower than normal percentage of REM sleep in these patients was consistent with their retarded intellectual development, which supports current thinking that REM sleep may be a sensitive index of brain function integrity.
  • (10) Amine metabolites, 5-hydroxyindoleacetic acid (5HIAA), and homovanillic acid (HVA) were not substantially affected by sleep deprivation, although there was a significant interaction of clinical response and direction of 3-methoxy-4-hydroxyphenylglycol (MHPG) change.
  • (11) Results of sleep sampling under electroencephalographic control of the assessment of GH secretion are comparable to conventional pharmacological studies in terms of efficiency, sensitivity, and percentage false-negatives.
  • (12) Sleep was defined behaviorally as failure to respond to the faint auditory RT cue.
  • (13) We have evaluated the action of hypnotics on the sleep-wakefulness cycle in freely implanted rats during their maximally active period because it is easier to estimate the duration of the sedative effect.
  • (14) However, patients can be taught how to retard the onset of wrinkles by avoiding unprotected sun exposure, unnecessary facial movements, and certain sleeping positions.
  • (15) The analogy with infant sleep patterns and results of studies of brain function in narcoleptics suggest that forebrain inhibitory processes are more important in narcoleptic symptomology than is brainstem dysfunction.
  • (16) In short term clinical studies, the beneficial effects of transdermal estradiol on plasma gonadotrophins, maturation of the vaginal epithelium, metabolic parameters of bone resorption and menopausal symptoms (hot flushes, sleep disturbance, genitourinary discomfort and mood alteration) appear to be comparable to those of oral and subcutaneous estrogens, while the undesirable effects of oral estrogens on hepatic metabolism are avoided.
  • (17) Sleep alterations in addicted newborns could be related to central nervous system (CNS) distress caused by withdrawal.
  • (18) "Our black, Muslim and Jewish citizens will sleep much less easily now the BBC has legitimised the BNP by treating its racist poison as the views of just another mainstream political party when it is so uniquely evil and dangerous."
  • (19) Stage REM frequently appeared within 10 min of stage 1 onset and the normal sequence of stages REM and 4 were altered, demonstrating that the organization of sleep within a nap is quite different from that in monophasic nocturnal sleep.
  • (20) This result is discussed in terms of either a function of time-of-day effect or of prior sleep intensity.

Sleepless


Definition:

  • (a.) Having no sleep; wakeful.
  • (a.) Having no rest; perpetually agitated.

Example Sentences:

  • (1) "I hope that he has the sleepless nights I have had for the past five weeks because my son sustained horrific injuries."
  • (2) "When someone else in the house said they knew what I meant about sleepless nights, or about my lack of sex drive, they really did understand," says Andy.
  • (3) As a Hollywood player, she isn’t going to give Jennifer Lawrence or Scarlett Johansson sleepless nights, but as an actor-activist she has the kind of influence that would have been unimaginable a generation ago.
  • (4) The meeting ended in chaos after even longer periods of sleeplessness than Kyoto, with then climate change minister Penny Wong looking close to collapse at a 4am press conference.
  • (5) It was only his inflexible determination, the quality that had made him a great general, that mastered the torments of ill-health – sleepless nights, fear of dying – to articulate his account for a devoted American audience.
  • (6) The most common approach was an in-house medical kit with instructions emphasizing self treatment of the common ailments of travellers such as motion sickness, sleeplessness, diarrhoea, indigestion and headaches.
  • (7) As friends start preparing for baby number two, I remember the sleepless nights, the toxic nappies and the projectile vomiting phase, and I'm fairly sure we've made the right decision.
  • (8) Nadir during the second month showed virtual unresponsiveness, prolonged rhythmic motor and apneic seizures, total anorexia, and sleeplessness.
  • (9) The two groups of responders differed in terms of self-reported emotional arousal during the course of the sleepless night.
  • (10) A questionnaire study revealed that cash register operators more frequently complained of general fatigue, headache, sleeplessness, and low back pain than female office machine operators or other female workers.
  • (11) A message was flashing on each pillar: Sophie Calle , end of sleepless night, 7:00 a.m. As if to confirm that I hadn't dreamt it all.
  • (12) Against this background, experiments on circadian rhythms are outlined that yield a state of sustained sleepless activity.
  • (13) Photograph: Jack Affleck After a nervous, somewhat sleepless night, I headed to Skellefteå where preparations were under way for the start of the competition.
  • (14) Looking back now I would have started out with far less optimism had I known how many hours I would spend in airless rooms, how many animated discussions, how many sleepless nights mulling over the pros and cons of settling the case.
  • (15) The differences manifest themselves in the percentage of tiredness, sleeplessness, and depression, which occur much more frequently in the first group, while bodily weakness, ailments characterized by the occurrence of fits, perinatal encephalopathies with pyramidal disorders are more often observed in the second group.
  • (16) She also had a 2-year history of anxiety and depression, manifested in the hospital by frequent crying spells, sleeplessness, and ruminating about her illnesses.
  • (17) He is right to pursue the strategy of the sleepless campaigner, harrying the Conservatives in marginal seats such as Chingford and Woodford Green, where Iain Duncan Smith ’s majority has been reduced to 2,500.
  • (18) There’ll be two or three more sleepless nights before I submit my list,” he said.
  • (19) Surely even Hunt’s wife would rather spend a sleepless 72 hours gazing into a cracked open ribcage than talk to him.
  • (20) It is concluded that, when no evident cause for sleeplessness can be found in an infant, the possibility of milk allergy should be given serious consideration.

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