Use a floor lamp if there's no room or need for an occasional table. This might be helpful,
https://fredgonsowskigardenhome.com/2012/10/04/the-answer-to-can-you-put-a-floor-lamp-next-to-a-sofa/
Some blog posts on the correct height,
https://fredgonsowskigardenhome.com/2011/05/19/the-right-height-of-a-table-lamp-for-your-end-table/
http://blog.finehomelamps.com/how-choose-the-right-table-lamp-height/
If your lamps aren't tall enough, or you have two different lamps with two different heights, you can raise both or one with a stack of books, which designers do often.
Q