Clonafit 0.5 MD Tablet can make you feel sleepy because it contains clonazepam, which has a calming effect on the brain. However, it is not usually recommended as a regular treatment for sleep problems. It is mainly prescribed for conditions such as panic disorder and certain seizure disorders. Using clonazepam for sleep without medical advice may cause excessive drowsiness, dizziness, poor concentration, and dependence, especially with long-term use. Stopping it suddenly after regular use can also cause withdrawal symptoms. If you are having frequent or ongoing sleep problems, speak with your doctor to identify the underlying cause and discuss a suitable treatment.