This rainbow is caused by light being refracted when entering a droplet of water, then reflected inside on the back of the droplet and refracted again when leaving it.In a double rainbow, a second arc is seen outside the primary arc, and has the order of its colours reversed, with red on the inner side of the arc.his rainbow is caused by light being refracted when entering a droplet of water, then reflected inside on the back of the droplet and refracted again when leaving it.
BRAND NAME: Lunesta (formerly known as Estorra). DRUG CLASS AND MECHANISM: Eszopiclone is a non-benzodiazepine, oral, sedative drug (sleeping pill) that is used for treating insomnia. According to the National Institutes of Health, more than 50 million Americans suffer from insomnia.ost drugs that have been used to treat insomnia are benzodiazepines, for example, flurazepam (Dalmane), lorazepam (Ativan), triazolam (Halcion), and temazepam (Restoril). Zolpidem (Ambien) was the first non-benzodiazepine approved for insomnia in over 20 years. Eszopiclone was approved by the FDA in December 2004.
Medical and Recreational Uses: Zolpidem is a non-benzodiazepine hypnotic used in short-term treatment (up to 4 weeks) of insomnia. Zaleplon and zopiclone also are indicated for the treatment of insomnia. Potency, Purity and Dose: Recommended zolpidem dose is 10 mg immediately before bedtime (5 mg in the elderly).Recommended nighttime zaleplon and zopiclone doses are 5-20 mg and 7.5 mg, respectively.or zopiclone, a single 7.5 mg dose can cause severe residual effects on actual driving at 5 and 10 hours, severe residual effects on body sway and memory at 4 hours, and minor impairment of delayed free recall 9 hours after dosing.