Endogenous SCN-pineal melatonin entrains circadian phase; exogenous melatonin (0.5-5 mg) shifts phase per phase-response curve; ramelteon MT1/MT2 agonist for insomnia.
Endogenous SCN-pineal melatonin entrains circadian phase; exogenous melatonin (0.5-5 mg) shifts phase per phase-response curve; ramelteon MT1/MT2 agonist for insomnia.