Select the correct answer from the list. Research shows that teenagers require at least 8 to 9 hours of sleep each night which of these words go here is it therefore additionally because or sense and then it says School should consider implementing later start times so teens can get to sleep that they need.
The word that best fits in the given sentence is "therefore".
"School should consider implementing later start times so teens can get to sleep that they need" - This sentence implies that teenagers need 8 to 9 hours of sleep each night, and as a result (therefore), schools should consider implementing later start times to accommodate their sleep requirements.