You must check with your doctor or pharmacist as to how long you have to wait between doses. Some medicines may require 6 hour intervals between doses however many say 4-6 hours. Those which you can take every 4 hours will leave you with 8 hours of sleep without a dosage and will work just as effectively.
Chat with our AI personalities
Yes, usually it is so. Twice a day means 12 hours apart, so it is more convenient to take 1 dose in the morning and 12 hours later, 1 dose at night.