Pajamas vs Nightie

What is your preferred form of sleepwear? Pajamas, or a nightgown/nightdress/nightshirt – or do you secretly sport a onesie?
1942-xx-xx Spiegel Christmas Catalog P138
Can you recall having a particular favourite night-garment (past or present)?
I remember a very vivid pair of childhood pajamas which were the exact colour of the lemon element of lemon meringue pie.
Mmm – lemon meringue pie…