Jan 16, - He also has his patients begin taking a dose lower than the maximum recommended starting dose. If they feel drowsy the next day, the dose can be Of these, only Ambien and Lunesta have been shown in clinical studies to lengthen total sleep time. Sonata wears off fastest. That means it can help you fall. Feb 10, - Also, alert your physician if you have or have ever consumed large amounts of alcohol, used street drugs, or abused prescription medications. If you stop taking Lunesta, you may have more difficulty falling asleep and staying asleep than you did before you took the drug. These problems usually improve. Lunesta is a central nervous system (CNS) depressant and can impair daytime function in some patients at the higher doses (2 mg or 3 mg), even when used as prescribed. Prescribers .. Tolerance may occur to both the desired and undesired effects of drugs and may develop at different rates for different effects. Addiction.