1 We all want bright, white smiles â they can take years off your appearance and boost your confidence. 2  And while bleaching your teeth is an effective (and generally safe) whitening step, it also helps to avoid foods that stain teeth in the first place.
Ramelteon (ra mel' tee on) is a synthetic melatonin receptor agonist with affinity for both the melatonin type 1 and type 2 receptors (MT1 and MT2). These receptors are believed to be involved in the maintenance of the circadian rhythm that regulates the normal sleep-wake cycle.
1 Non-benzodiazepine hypnotics, such as zolpidem (Ambien), zaleplon (Sonata), and eszopiclone (Lunesta); these drugs are used to treat short-term insomnia.  Melatonin receptor stimulator, ramelteon (Rozerem), was approved in 2005 and -- to date -- is in a class by itself. It is used to treat insomnia.