This is a drug use surveillance planned to examine the safety and efficacy of ramelteon tablets when used in the routine clinical setting in patients with sleep-onset difficulty associated with insomnia (planned sample size, 3000)~The usual adult dosage is 8 mg of ramelteon administered orally once daily at bedtime.
The purpose of this study is to investigate the safety and efficacy of ramelteon (Rozerem) when used in the routine clinical setting in patients with sleep-onset difficulty associated with insomnia.