I will be travelling LHR-DOH-BKK and BKK-DOH-LHR in business (I) class in mid April, and am wondering a recommended course of action for getting a shower. I'm also OWE.

Traditionally, I have deliberately organised significantly longer transit times and upgrade to Al Safwa and/or have an Oryx airside hotel booking, so getting a shower hasn't ever been a problem before. For 90 minutes, I'm not particularly keen on upgrading to the Al Safwa.

The last time I was in DOH, I wondered into the Al Mourjan Garden lounges and happen to notice that there was quite a queue for the showers.

So is there a recommended course of action on getting a shower at DOH?

My outbound transit arrives DOH at 00:35 and the inbound is 12:45 if it makes any difference.