A Genetic Analysis of Ethanol, Pentobarbital, and Methyprylon Sleep‐Time Response

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Abstract
The sleep-time responses to ethanol, pentobarbital, and methyprylon were assessed in various generations derived from crossing the long-sleep (LS) and short-sleep (SS) mouse lines in order to assess whether common or different genes regulate response to these agents. The LS and SS mice were selectively bred for differences in duration of ethanol-induced sleep time. Ethanol and pentobarbital responses segregate in a different fashion into F1 and F2 generations derived from the LS and SS lines, indicating different genie control and probably different mechanisms of action for these two agents. Ethanol and methyprylon response segregated similarly but fewer genes seem to influence methyprylon response. These results support the notion that water-soluble depressants have common mechanisms of action.