When are you taller or shorter, in the morning or evening? joe getting taller Did you know that your height is actually different at the beginning and at the end of the day? When you wake up, you are taller, but as the day goes on with gravity pushing down on you, you actually get a little (a very little) shorter by the end of the day. << in the beginning.. Got a stupid question for Joe? Email it to him! Content & Photos © 2004 Laura Laytham, laura@girlsaresmarter.com.