Journal ArticleDOI
Concentrations of Plasma Testosterone in Normal Men during Sleep
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TLDR
Diurnal variation, with a morning peak, in plasma testosterone—the most potent naturally occurring androgen—is demonstrated in man and the origin is not known.Abstract:
IN man, several studies1,2 have demonstrated diurnal variation, with a morning peak, in plasma testosterone—the most potent naturally occurring androgen. The origin of this variation is not known.read more
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Journal ArticleDOI
Sleep, Rhythms, and the Endocrine Brain: Influence of Sex and Gonadal Hormones
Jessica A. Mong,Fiona C. Baker,Fiona C. Baker,Megan M. Mahoney,Ketema N. Paul,Michael D. Schwartz,Michael D. Schwartz,Kazue Semba,Rae Silver,Rae Silver +9 more
TL;DR: This a summary of recent work illustrating how sex differences and gonadal hormones influence sleep and circadian rhythms that was presented at a Mini-Symposium at the 2011 annual meeting of the Society for Neuroscience.
Journal ArticleDOI
The 24-Hour Plasma Thyrotrophin Profile
TL;DR: Daily fluctuations in the plasma concentrations of thyroid stimulating hormone (TSH) and growth hormone (GH) have been studied in six normal males by using a 24 h continuous blood-sampling technique and a highly sensitive and specific radioimmunoassay for TSH.
Journal ArticleDOI
The effects of testosterone on sleep and sleep-disordered breathing in men: Its bidirectional interaction with erectile function
Monica L. Andersen,Sergio Tufik +1 more
TL;DR: Data is reviewed on the role of sleep in modulating endocrine release, as well as the effects of testosterone and androgen-replacement therapy on sleep architecture and breathing, with a particular emphasis on bilateral effects.
Journal ArticleDOI
Circadian Rhythm of Serum Testosterone and Its Relation to Sleep: Comparison with the Variation in Serum Luteinizing Hormone, Prolactin, and Cortisol in Normal Men
Akihiko Miyatake,Yasuhiko Morimoto,Tatsuo Oishi,Nobuo Hanasaki,Yoshiro Sugita,Susami Iijima,Yoshio Teshima,Yasuo Hishikawa,Yuichi Yamamura +8 more
TL;DR: The mean serum levels of testosterone and PRL during nonrapid eye movement sleep and rapid eye movement (REM) sleep differed significantly from those during the waking period, however, the mean levels of these hormones during REM sleep were not statistically different from Those during NREM sleep.
Journal ArticleDOI
Circadian sleep and feeding patterns in the rat: possible dependence on lipogenesis and lipolysis
J. Danguir,S. Nicolaidis +1 more
TL;DR: The results suggest that the relation between sleep and feeding and their concomitant circadian fluctuation are possibly modulated by a common factor, namely the metabolic rate that is influenced by the lipogenesis/lipolysis rate.
References
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Journal Article
Growth hormone secretion during sleep
TL;DR: In this paper, growth hormone (GH), insulin, cortisol, and glucose were measured during sleep on 38 nights in eight young adults, and the effects of 6-CNS-active drugs on sleep-related GH secretion were investigated.
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Growth hormone secretion during sleep
TL;DR: Altered hypothalamic activity associated with initiation of sleep results in a major peak of growth hormone secretion unrelated to hypoglycemia or changes in cortisol and insulin secretion.
Journal ArticleDOI
Diurnal Testosterone Levels in Peripheral Plasma of Human Male Subjects
John A. Resko,Kristen B. Eik-Nes +1 more
TL;DR: A diurnal variation of testosterone in the peripheral plasma of adult male subjects has been observed and the plasma concentration of testosterone was higher on 2 consecutive mornings compared to the intervening evening.
Journal ArticleDOI
Plasma 17-Hydroxycorticosteroid Levels During Sleep in Man
TL;DR: A suggestive temporal relationship between the steroid elevations and the rapid eye movement (REM) sleep periods as noted and the role of the CNS in corticotrophin release and REM sleep activity is discussed.
Journal ArticleDOI
Effects of slow wave sleep deprivation on human growth hormone release in sleep: Preliminary study
J.F. Sassin,J.F. Sassin,J.F. Sassin,D.C. Parker,D.C. Parker,D.C. Parker,L.C. Johnson,L.C. Johnson,L.C. Johnson,L.G. Rossman,L.G. Rossman,L.G. Rossman,J.W. Mace,J.W. Mace,J.W. Mace,R.W. Gotlin,R.W. Gotlin,R.W. Gotlin +17 more
TL;DR: Results of an attempt to deprive subjects of EEG stages 3 and 4,5 referred to as slow wave sleep (SWS), to test the effect of this deprivation on release of HGH in sleep suggest that deprivation of SWS results in diminished and delayed secretion of H GH in sleep.