7.5mg (half of the smallest tablet) is the most soporific dose. 15mg (the lowest prescribed dose) will be sedating and doesn't have an enormous effect on mental health.
If it's causing too much drowsiness, you can increase to 30mg after a fortnight, speak with your GP.
If it's causing too much drowsiness, you can increase to 30mg after a fortnight, speak with your GP.