Probable Sleep Dependency of Diurnal Rhythm of Plasma Growth Hormone Response to Hypoglycemia
Koji Nakagawa
Abstract
Koji Nakagawa
Abstract
No difference was found in plasma growth hormone (GH) responses to insulin-induced hypoglycemia started at 10 am and 10 pm. The GH responses to insulin injected after the onset of sleep were remarkably lower than those while awake. These results seem to indicate that the apparent diurnal rhythm in response to insulin-induced hypoglycemia is not a function of time, but secondarily of a phenomenon of sleep.
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No difference was found in plasma growth hormone (GH) responses to insulin-induced hypoglycemia started at 10 am and 10 pm. The GH responses to insulin injected after the onset of sleep were remarkably lower than those while awake. These results seem to indicate that the apparent diurnal rhythm in response to insulin-induced hypoglycemia is not a function of time, but secondarily of a phenomenon of sleep.
Key concepts: Internal medicine, Endocrinology, Hypoglycemia, Circadian rhythm, Plasma glucose, Insulin, Sleep (system call), Rhythm