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The effects of cannabis extracts on nocturnal sleep, early-morning performance, memory, and sleepiness were studied in 8 healthy volunteers (4 males, 4 females; 21 to 34 years). The study was double-blind and placebo-controlled with a 4-way crossover design. The 4 treatments were placebo, 15 mg Delta-9-tetrahydrocannabinol (THC), 5 mg THC combined with 5 mg(More)
The effects of an inhibitor of the uptake of 5-hydroxytryptamine (5-HT) fluoxetine (20, 40 and 60 mg), on nocturnal sleep and on alertness during the day, were studied in healthy adults. Fluoxetine reduced the total sleep time and the duration of rapid eye movement (REM) sleep and increased awake activity and stage 1 (drowsy) sleep during the night. Daytime(More)
1 The effect of the 1,5-benzodiazepines, clobazam (10 and 20 mg) and triflubazam (20 and 40 mg), on sleep was studied in six healthy males using electroencephalography for sleep measures and analogue scales for subjective assessments of well being and sleep quality. The effect of clobazam was limited to the night of ingestion. There was some evidence from(More)
The effects of an alpha 2-adrenoceptor agonist, clonidine and an antagonist, idazoxan, were studied on nocturnal sleep in man. Clonidine increased non-rapid eye movement sleep and idazoxan reduced slow wave sleep and increased awake activity. Changes in the continuity of sleep with clonidine were similar to, and those with idazoxan opposite to, the effects(More)
For hypnotics in which a fast elimination phase dominates the plasma decay, the initial fall in concentration from the peak value may nevertheless be slower than that of compounds with a sustained and rapid distribution. Drugs with fast elimination may therefore improve sleep throughout the rest period, even though residual sequelae, if any, around(More)
Effects of 10, 20 and 30 mg midazolam on sleep and on performance the next day were studied in six healthy adult males aged between 47 and 53 years. The study was double-blind, placebo-controlled and included another rapidly eliminated benzodiazepine (brotizolam, 0.25 mg) as an active control. With 10 mg midazolam, sleep-onset latency was quicker, and the(More)
Effects of H1 (mepyramine, mequitazine, triprolidine and brompheniramine) and H2 (cimetidine and ranitidine) antagonists on sleep were studied in healthy man. There were no effects of mepyramine (50 and 100 mg), and the only effect of mequitazine (5 and 10 mg) was a reduction in the number of awakenings. Triprolidine (10 and 20 mg) and brompheniramine (4(More)
The effect which early evening sleep may have on overnight and subsequent daytime performance, and the effect which morning sleep may have on daytime performance after overnight sleep deprivation has been studied in six healthy male volunteers. It would appear that relatively short periods of natural and drug induced (brotizolam 0.125 mg) sleep have a(More)
Modulation of rapid eye movement (REM) sleep is a well-established effect of many centrally acting drugs. However, there is uncertainty concerning the nature of the changes and their significance, and it is in this context that we have analyzed the effects of several groups of drugs that alter monoaminergic or purinergic transmission on sleep in humans. The(More)
The effect of diazepam (5 mg and 10 mg), and fosazepam (60 mg and 80 mg), a soluble derivative of diazepam, on sleep was studied in six healthy adult males using electroencephalography for sleep measures, and analogue scales for subjective assessments of well-being and sleep quality. The effect of diazepam was limited to the night of ingestion, but the(More)