Kesin olarak konuşursam, sağlıklı düşünmek için en az altı saate ihtiyacım var. Ayrıca mutlu olmak için yedi saate ihtiyacım var. - Precisely speaking, I need six hours to at least think straight. Additionally, I need seven hours to be happy.
Additionally is used to say that something happens to a greater extent than before. The birds are additionally protected in the reserves at Birsay. in addition = also
You use additionally to introduce something extra such as an extra fact or reason. You can pay bills over the Internet. Additionally, you can check your balance or order statements = further