Hydroxyzine tablets typically take about 15 to 30 minutes to take effect. It is recommended to take the tablet 30 minutes to 1 hour before bedtime to ensure it has its full effect when you are ready to sleep. In addition to medication, other strategies that may help reduce insomnia include avoiding screens/TV before bed, reading a book in bed, not trying to force sleep if you are not tired, taking time to relax before bed, avoiding sugary foods or caffeinated drinks in the evening, keeping a notebook and pen by your bed for jotting down thoughts that keep you awake, and waiting a few hours after a large meal before going to sleep. These tips may help improve your sleep quality.