| sleep, rem | A stage of sleep characterised by rapid movements of the eye and low voltage fast pattern eeg. It is usually associated with dreaming. (12 Dec 1998) |
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| sleep-at-noon | <botany> A plant (Tragopogon pratensis) which closes its flowers at midday; a kind of goat's beard. Source: Websters Dictionary (01 Mar 1998) |
| sleep-induced apnea | Apnea resulting from failure of the respiratory centre to stimulate adequate respiration during sleep; divided into respiratory pause (cessation of air flow for less than 10 seconds) and apneic pause (cessation of air flow greater than 10 seconds). (05 Mar 2000) |
| sleeper | 1. One who sleeps; a slumberer; hence, a drone, or lazy person. 2. That which lies dormant, as a law. 3. A sleeping car. 4. <zoology> An animal that hibernates, as the bear. 5. <zoology> A large fresh water gobioid fish (Eleotris dormatrix). A nurse shark. See Nurse. Source: Websters Dictionary (01 Mar 1998) |
| sleepiness | <neurology> Sleepiness, also unnatural drowsiness. Origin: L. Somnolentia = sleepiness (04 Mar 1998) |
| sleeping | From Sleep. Sleeping car, a railway car or carrriage, arranged with apartments and berths for sleeping. Sleeping partner, a dormant partner. See Dormant. <chemical> Sleeping table, a stationary inclined platform on which pulverized ore is washed; a kind of buddle. Source: Websters Dictionary (01 Mar 1998) |
| sleeping pill | <pharmacology> Sedative medications used to promote sleep. The benzodiazepines and barbiturates are commonly used. Examples include: diazepam, flurazepam, triazolam, chlordiazepoxide, secobarbital, amobarbital, talbutal and pentobarbital. (27 Sep 1997) |
| sleeping sickness | <protozoa> Genus of Protozoa that causes serious infections in humans and domestic animals. African trypanosomes, of the brucei group, are carried by Tsetse flies and, when they enter the bloodstream of the mammalian host go through a complex series of stages. Perhaps the most interesting feature is that there are recurrent bouts of parasitaemia as the parasite alters its surface antigens to evade the immune response of the host (see antigenic variation). The repertoire of antigenic variation is considerable. The s.American trypanosomes (of which T. Cruzi is the best known) are carried by reduviid bugs and cause a chronic and incurable disease. Other interesting features of trypansomes are the kinetoplast DNA and glycosomes (organelles containing enzymes of the glycolytic chain). (18 Nov 1997) |
| sleeplessness | Inability to sleep, abnormal wakefulness. Origin: L. Somnus = sleep (18 Nov 1997) |
| sleepmarken | <zoology> See 1st Hag. Source: Websters Dictionary (01 Mar 1998) |
| sleeptalking | Synonym: somniloquence, somniloquy. (05 Mar 2000) |
| sleepwaker | On in a state of magnetic or mesmeric sleep. Source: Websters Dictionary (01 Mar 1998) |
| sleepwalker | One who is subject to somnambulism. Synonym: sleepwalker. (05 Mar 2000) |
| sleepwalking | <psychiatry, neurology> Sleepwalking, rising out of bed and walking about during an apparent state of sleep, usually occurring in the first third of the night and lasting a few minutes to a half hour. Origin: L. Somnus = sleep, ambulare = to walk (18 Nov 1997) |
| sleepy | 1. Drowsy; inclined to, or overcome by, sleep. "She waked her sleepy crew." (Dryden) 2. Tending to induce sleep; soporiferous; somniferous; as, a sleepy drink or potion. 3. Dull; lazy; heavy; sluggish. "'Tis not sleepy business; But must be looked to speedily and strongly." (Shak) 4. Characterised by an absence of watchfulness; as, sleepy security. <zoology> Sleepy duck, the ruddy duck. Origin: AS. Slpig. See Sleep. Source: Websters Dictionary (01 Mar 1998) |
| light sleep | A condition of half sleep. Synonym: light sleep. Origin: dys-+ G. Nystaxis, drowsiness (05 Mar 2000) |
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