I do sheets all of the time. Can wash both at the same time, but always dry separately. Takes 70 minutes to dry - usually do these at night using the timer delay. So one sheet one night, the other the second night. Not a big deal, no longer than doing a couple of pairs of jeans and T-shirts. The key is to balance the load (2 pairs of jeans, 2 T-shirts; 2 large bath towels; etc.) and to do smaller loads. I also use the blue bibbed balls to help separate clothes as they dry.
The pods have a 'dissolvable' plastic covering that might get caught in the filter and, as already mentioned, contain way to much detergent for the w/d combo.
Barb
Barb