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Seasonal patterns of sleep stages and secretion of cortisol and growth hormone during 24 hour periods in northern Norway.

Authors
Weitzman-ED; Graaf-AS; Sassin-JF; Hansen-T; Godtlibsen-OB; Perlow-M; Hellman-L
Source
Acta Endocrinol 1975 Jan; 78(1):65-76
NIOSHTIC No.
00039604
Abstract
A group of 7 male subjects was studied in regard to sleep stages and 24 hour plasma cortisol (50237) and growth-hormone (9002726) patterns during the 4 seasons of the year in northern Norway. No difference in total sleep or sleep stage percents was found for any of the seasons. A small, statistically significant increase in mean plasma cortisol concentration and amount secreted for 24 hours was found for autumn and winter. All subjects secreted growth-hormone shortly after sleep onset at night, and no difference was found as a function of season of the year.
Keywords
NIOSH-Publication; NIOSH-Grant; Grants-other; Endocrine-system; Circadian-rhythms; Blood-chemistry
Contact
Division of Neurology Montefiore Hosp and Med Center Division of Neurology Bronx, NY 10467
CODEN
ACENA7
CAS No.
50-23-7; 9002-72-6
Publication Date
19750101
Document Type
Journal Article
Funding Amount
346110
Funding Type
Grant
Fiscal Year
1975
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-00331
Issue of Publication
1
ISSN
0001-5598
Priority Area
Other Occupational Concerns; Grants-other
Source Name
Acta Endocrinologica
State
NY
Performing Organization
Montefiore Hospital and Medical Center, New York, New York
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