Hi. Does anyone know what the rule is for which flights in business class have pyjamas and which don't? I have four segments booked with QR but am unclear whether any of them have pyjamas.

QR4 LHR Doha a380 1425-2355
QR 964 to Saigon 0100-1215

Then return
Qr965 1900-2325 sgn-doh
Then qr3 doh-lhr 0745 to 1225

Will any of those have pyjamas or do I need to bring my own?

Thanks!