On EWR flights, SQ offers create your own kit experience in which pax can select amenities they want and put them in a SQ logo zipper bag.
I travel with carryon only (can't remember last time I checked a bag) and when flying long haul and before boarding, I would already be in comfy clothing meant for traveling which I can sleep in, as well as have extra set of clothes to change into before arrival.
Agree, better in-flight and meal service anytime over PJs (although similar to
24left, I have to say I love my SQ F PJ and NH F PJs & Cardigan

. I have flown TPAC & TATL on AC, SQ, NH, TG, OZ, LX, LH and TK but not on BR (only short intra-Asia flights). Based on some of the comments here, I need to try BR long-haul.